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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--NewPage--> <HTML> <HEAD> <!-- Generated by javadoc (build 1.6.0_17) on Sat Mar 27 22:46:14 EDT 2010 --> <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> <TITLE> RealMatrix (Commons Math 2.1 API) </TITLE> <META NAME="date" CONTENT="2010-03-27"> <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="RealMatrix (Commons Math 2.1 API)"; } } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();"> <HR> <!-- ========= START OF TOP NAVBAR ======= --> <A NAME="navbar_top"><!-- --></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" 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document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A> <!-- ========= END OF TOP NAVBAR ========= --> <HR> <!-- ======== START OF CLASS DATA ======== --> <H2> <FONT SIZE="-1"> org.apache.commons.math.linear</FONT> <BR> Interface RealMatrix</H2> <DL> <DT><B>All Superinterfaces:</B> <DD><A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html" title="interface in org.apache.commons.math.linear">AnyMatrix</A></DD> </DL> <DL> <DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../../org/apache/commons/math/linear/SparseRealMatrix.html" title="interface in org.apache.commons.math.linear">SparseRealMatrix</A></DD> </DL> <DL> <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/commons/math/linear/AbstractRealMatrix.html" title="class in org.apache.commons.math.linear">AbstractRealMatrix</A>, <A HREF="../../../../../org/apache/commons/math/linear/Array2DRowRealMatrix.html" title="class in org.apache.commons.math.linear">Array2DRowRealMatrix</A>, <A HREF="../../../../../org/apache/commons/math/linear/BlockRealMatrix.html" title="class in org.apache.commons.math.linear">BlockRealMatrix</A>, <A HREF="../../../../../org/apache/commons/math/linear/OpenMapRealMatrix.html" title="class in org.apache.commons.math.linear">OpenMapRealMatrix</A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixImpl.html" title="class in org.apache.commons.math.linear">RealMatrixImpl</A></DD> </DL> <HR> <DL> <DT><PRE>public interface <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.29"><B>RealMatrix</B></A><DT>extends <A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html" title="interface in org.apache.commons.math.linear">AnyMatrix</A></DL> </PRE> <P> Interface defining a real-valued matrix with basic algebraic operations. <p> Matrix element indexing is 0-based -- e.g., <code>getEntry(0, 0)</code> returns the element in the first row, first column of the matrix.</p> <P> <P> <DL> <DT><B>Version:</B></DT> <DD>$Revision: 811786 $ $Date: 2009-09-06 05:36:08 -0400 (Sun, 06 Sep 2009) $</DD> </DL> <HR> <P> <!-- ========== METHOD SUMMARY =========== --> <A NAME="method_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Method Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#add(org.apache.commons.math.linear.RealMatrix)">add</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m)</CODE> <BR> Compute the sum of this and m.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#addToEntry(int, int, double)">addToEntry</A></B>(int row, int column, double increment)</CODE> <BR> Change an entry in the specified row and column.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#copy()">copy</A></B>()</CODE> <BR> Returns a (deep) copy of this.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#copySubMatrix(int[], int[], double[][])">copySubMatrix</A></B>(int[] selectedRows, int[] selectedColumns, double[][] destination)</CODE> <BR> Copy a submatrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#copySubMatrix(int, int, int, int, double[][])">copySubMatrix</A></B>(int startRow, int endRow, int startColumn, int endColumn, double[][] destination)</CODE> <BR> Copy a submatrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#createMatrix(int, int)">createMatrix</A></B>(int rowDimension, int columnDimension)</CODE> <BR> Create a new RealMatrix of the same type as the instance with the supplied row and column dimensions.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getColumn(int)">getColumn</A></B>(int column)</CODE> <BR> Returns the entries in column number <code>col</code> as an array.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getColumnMatrix(int)">getColumnMatrix</A></B>(int column)</CODE> <BR> Returns the entries in column number <code>column</code> as a column matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getColumnVector(int)">getColumnVector</A></B>(int column)</CODE> <BR> Returns the entries in column number <code>column</code> as a vector.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[][]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getData()">getData</A></B>()</CODE> <BR> Returns matrix entries as a two-dimensional array.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getDeterminant()">getDeterminant</A></B>()</CODE> <BR> <B>Deprecated.</B> <I>as of release 2.0, replaced by <code> <A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getDeterminant()"><CODE>getDeterminant()</CODE></A></code></I></TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getEntry(int, int)">getEntry</A></B>(int row, int column)</CODE> <BR> Returns the entry in the specified row and column.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getFrobeniusNorm()">getFrobeniusNorm</A></B>()</CODE> <BR> Returns the <a href="http://mathworld.wolfram.com/FrobeniusNorm.html"> Frobenius norm</a> of the matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getNorm()">getNorm</A></B>()</CODE> <BR> Returns the <a href="http://mathworld.wolfram.com/MaximumAbsoluteRowSumNorm.html"> maximum absolute row sum norm</a> of the matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getRow(int)">getRow</A></B>(int row)</CODE> <BR> Returns the entries in row number <code>row</code> as an array.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getRowMatrix(int)">getRowMatrix</A></B>(int row)</CODE> <BR> Returns the entries in row number <code>row</code> as a row matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getRowVector(int)">getRowVector</A></B>(int row)</CODE> <BR> Returns the entries in row number <code>row</code> as a vector.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getSubMatrix(int[], int[])">getSubMatrix</A></B>(int[] selectedRows, int[] selectedColumns)</CODE> <BR> Gets a submatrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getSubMatrix(int, int, int, int)">getSubMatrix</A></B>(int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Gets a submatrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#getTrace()">getTrace</A></B>()</CODE> <BR> Returns the <a href="http://mathworld.wolfram.com/MatrixTrace.html"> trace</a> of the matrix (the sum of the elements on the main diagonal).</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#inverse()">inverse</A></B>()</CODE> <BR> <B>Deprecated.</B> <I>as of release 2.0, replaced by <code> <A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getSolver()"><CODE>getSolver()</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#getInverse()"><CODE>getInverse()</CODE></A></code></I></TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> boolean</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#isSingular()">isSingular</A></B>()</CODE> <BR> <B>Deprecated.</B> <I>as of release 2.0, replaced by the boolean negation of <code><A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getSolver()"><CODE>getSolver()</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#isNonSingular()"><CODE>isNonSingular()</CODE></A></code></I></TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#multiply(org.apache.commons.math.linear.RealMatrix)">multiply</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m)</CODE> <BR> Returns the result of postmultiplying this by m.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#multiplyEntry(int, int, double)">multiplyEntry</A></B>(int row, int column, double factor)</CODE> <BR> Change an entry in the specified row and column.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#operate(double[])">operate</A></B>(double[] v)</CODE> <BR> Returns the result of multiplying this by the vector <code>v</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#operate(org.apache.commons.math.linear.RealVector)">operate</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> v)</CODE> <BR> Returns the result of multiplying this by the vector <code>v</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#preMultiply(double[])">preMultiply</A></B>(double[] v)</CODE> <BR> Returns the (row) vector result of premultiplying this by the vector <code>v</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#preMultiply(org.apache.commons.math.linear.RealMatrix)">preMultiply</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m)</CODE> <BR> Returns the result premultiplying this by <code>m</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#preMultiply(org.apache.commons.math.linear.RealVector)">preMultiply</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> v)</CODE> <BR> Returns the (row) vector result of premultiplying this by the vector <code>v</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#scalarAdd(double)">scalarAdd</A></B>(double d)</CODE> <BR> Returns the result of adding d to each entry of this.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#scalarMultiply(double)">scalarMultiply</A></B>(double d)</CODE> <BR> Returns the result multiplying each entry of this by d.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setColumn(int, double[])">setColumn</A></B>(int column, double[] array)</CODE> <BR> Sets the entries in column number <code>column</code> as a column matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setColumnMatrix(int, org.apache.commons.math.linear.RealMatrix)">setColumnMatrix</A></B>(int column, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> matrix)</CODE> <BR> Sets the entries in column number <code>column</code> as a column matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setColumnVector(int, org.apache.commons.math.linear.RealVector)">setColumnVector</A></B>(int column, <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> vector)</CODE> <BR> Sets the entries in column number <code>column</code> as a vector.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setEntry(int, int, double)">setEntry</A></B>(int row, int column, double value)</CODE> <BR> Set the entry in the specified row and column.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setRow(int, double[])">setRow</A></B>(int row, double[] array)</CODE> <BR> Sets the entries in row number <code>row</code> as a row matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setRowMatrix(int, org.apache.commons.math.linear.RealMatrix)">setRowMatrix</A></B>(int row, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> matrix)</CODE> <BR> Sets the entries in row number <code>row</code> as a row matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setRowVector(int, org.apache.commons.math.linear.RealVector)">setRowVector</A></B>(int row, <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> vector)</CODE> <BR> Sets the entries in row number <code>row</code> as a vector.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> void</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#setSubMatrix(double[][], int, int)">setSubMatrix</A></B>(double[][] subMatrix, int row, int column)</CODE> <BR> Replace the submatrix starting at <code>row, column</code> using data in the input <code>subMatrix</code> array.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#solve(double[])">solve</A></B>(double[] b)</CODE> <BR> <B>Deprecated.</B> <I>as of release 2.0, replaced by <A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#solve(double[])"><CODE>DecompositionSolver.solve(double[])</CODE></A></I></TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#solve(org.apache.commons.math.linear.RealMatrix)">solve</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> b)</CODE> <BR> <B>Deprecated.</B> <I>as of release 2.0, replaced by <A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#solve(org.apache.commons.math.linear.RealMatrix)"><CODE>DecompositionSolver.solve(RealMatrix)</CODE></A></I></TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#subtract(org.apache.commons.math.linear.RealMatrix)">subtract</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m)</CODE> <BR> Compute this minus m.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#transpose()">transpose</A></B>()</CODE> <BR> Returns the transpose of this matrix.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)">walkInColumnOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor)</CODE> <BR> Visit (and possibly change) all matrix entries in column order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)">walkInColumnOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (and possibly change) some matrix entries in column order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)">walkInColumnOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor)</CODE> <BR> Visit (but don't change) all matrix entries in column order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)">walkInColumnOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (but don't change) some matrix entries in column order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)">walkInOptimizedOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor)</CODE> <BR> Visit (and possibly change) all matrix entries using the fastest possible order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)">walkInOptimizedOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (and possibly change) some matrix entries using the fastest possible order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)">walkInOptimizedOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor)</CODE> <BR> Visit (but don't change) all matrix entries using the fastest possible order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)">walkInOptimizedOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (but don't change) some matrix entries using the fastest possible order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)">walkInRowOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor)</CODE> <BR> Visit (and possibly change) all matrix entries in row order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)">walkInRowOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (and possibly change) some matrix entries in row order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)">walkInRowOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor)</CODE> <BR> Visit (but don't change) all matrix entries in row order.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)">walkInRowOrder</A></B>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn)</CODE> <BR> Visit (but don't change) some matrix entries in row order.</TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_org.apache.commons.math.linear.AnyMatrix"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> <TH ALIGN="left"><B>Methods inherited from interface org.apache.commons.math.linear.<A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html" title="interface in org.apache.commons.math.linear">AnyMatrix</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html#getColumnDimension()">getColumnDimension</A>, <A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html#getRowDimension()">getRowDimension</A>, <A HREF="../../../../../org/apache/commons/math/linear/AnyMatrix.html#isSquare()">isSquare</A></CODE></TD> </TR> </TABLE> <P> <!-- ============ METHOD DETAIL ========== --> <A NAME="method_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Method Detail</B></FONT></TH> </TR> </TABLE> <A NAME="createMatrix(int, int)"><!-- --></A><H3> createMatrix</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.41"><B>createMatrix</B></A>(int rowDimension, int columnDimension)</PRE> <DL> <DD>Create a new RealMatrix of the same type as the instance with the supplied row and column dimensions. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>rowDimension</CODE> - the number of rows in the new matrix<DD><CODE>columnDimension</CODE> - the number of columns in the new matrix <DT><B>Returns:</B><DD>a new matrix of the same type as the instance <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if row or column dimension is not positive<DT><B>Since:</B></DT> <DD>2.0</DD> </DL> </DD> </DL> <HR> <A NAME="copy()"><!-- --></A><H3> copy</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.48"><B>copy</B></A>()</PRE> <DL> <DD>Returns a (deep) copy of this. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>matrix copy</DL> </DD> </DL> <HR> <A NAME="add(org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> add</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.57"><B>add</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Compute the sum of this and m. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>m</CODE> - matrix to be added <DT><B>Returns:</B><DD>this + m <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if m is not the same size as this</DL> </DD> </DL> <HR> <A NAME="subtract(org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> subtract</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.66"><B>subtract</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Compute this minus m. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>m</CODE> - matrix to be subtracted <DT><B>Returns:</B><DD>this - m <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if m is not the same size as this</DL> </DD> </DL> <HR> <A NAME="scalarAdd(double)"><!-- --></A><H3> scalarAdd</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.74"><B>scalarAdd</B></A>(double d)</PRE> <DL> <DD>Returns the result of adding d to each entry of this. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>d</CODE> - value to be added to each entry <DT><B>Returns:</B><DD>d + this</DL> </DD> </DL> <HR> <A NAME="scalarMultiply(double)"><!-- --></A><H3> scalarMultiply</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.82"><B>scalarMultiply</B></A>(double d)</PRE> <DL> <DD>Returns the result multiplying each entry of this by d. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>d</CODE> - value to multiply all entries by <DT><B>Returns:</B><DD>d * this</DL> </DD> </DL> <HR> <A NAME="multiply(org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> multiply</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.92"><B>multiply</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the result of postmultiplying this by m. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>m</CODE> - matrix to postmultiply by <DT><B>Returns:</B><DD>this * m <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if columnDimension(this) != rowDimension(m)</DL> </DD> </DL> <HR> <A NAME="preMultiply(org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> preMultiply</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.101"><B>preMultiply</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> m) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the result premultiplying this by <code>m</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>m</CODE> - matrix to premultiply by <DT><B>Returns:</B><DD>m * this <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if rowDimension(this) != columnDimension(m)</DL> </DD> </DL> <HR> <A NAME="getData()"><!-- --></A><H3> getData</H3> <PRE> double[][] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.108"><B>getData</B></A>()</PRE> <DL> <DD>Returns matrix entries as a two-dimensional array. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>2-dimensional array of entries</DL> </DD> </DL> <HR> <A NAME="getNorm()"><!-- --></A><H3> getNorm</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.116"><B>getNorm</B></A>()</PRE> <DL> <DD>Returns the <a href="http://mathworld.wolfram.com/MaximumAbsoluteRowSumNorm.html"> maximum absolute row sum norm</a> of the matrix. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>norm</DL> </DD> </DL> <HR> <A NAME="getFrobeniusNorm()"><!-- --></A><H3> getFrobeniusNorm</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.124"><B>getFrobeniusNorm</B></A>()</PRE> <DL> <DD>Returns the <a href="http://mathworld.wolfram.com/FrobeniusNorm.html"> Frobenius norm</a> of the matrix. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>norm</DL> </DD> </DL> <HR> <A NAME="getSubMatrix(int, int, int, int)"><!-- --></A><H3> getSubMatrix</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.138"><B>getSubMatrix</B></A>(int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Gets a submatrix. Rows and columns are indicated counting from 0 to n-1. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index (inclusive) <DT><B>Returns:</B><DD>The subMatrix containing the data of the specified rows and columns <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid</DL> </DD> </DL> <HR> <A NAME="getSubMatrix(int[], int[])"><!-- --></A><H3> getSubMatrix</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.151"><B>getSubMatrix</B></A>(int[] selectedRows, int[] selectedColumns) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Gets a submatrix. Rows and columns are indicated counting from 0 to n-1. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>selectedRows</CODE> - Array of row indices.<DD><CODE>selectedColumns</CODE> - Array of column indices. <DT><B>Returns:</B><DD>The subMatrix containing the data in the specified rows and columns <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if row or column selections are not valid</DL> </DD> </DL> <HR> <A NAME="copySubMatrix(int, int, int, int, double[][])"><!-- --></A><H3> copySubMatrix</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.167"><B>copySubMatrix</B></A>(int startRow, int endRow, int startColumn, int endColumn, double[][] destination) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Copy a submatrix. Rows and columns are indicated counting from 0 to n-1. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index (inclusive)<DD><CODE>destination</CODE> - The arrays where the submatrix data should be copied (if larger than rows/columns counts, only the upper-left part will be used) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the destination array is too small</DL> </DD> </DL> <HR> <A NAME="copySubMatrix(int[], int[], double[][])"><!-- --></A><H3> copySubMatrix</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.182"><B>copySubMatrix</B></A>(int[] selectedRows, int[] selectedColumns, double[][] destination) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Copy a submatrix. Rows and columns are indicated counting from 0 to n-1. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>selectedRows</CODE> - Array of row indices.<DD><CODE>selectedColumns</CODE> - Array of column indices.<DD><CODE>destination</CODE> - The arrays where the submatrix data should be copied (if larger than rows/columns counts, only the upper-left part will be used) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the destination array is too small</DL> </DD> </DL> <HR> <A NAME="setSubMatrix(double[][], int, int)"><!-- --></A><H3> setSubMatrix</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.212"><B>setSubMatrix</B></A>(double[][] subMatrix, int row, int column) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Replace the submatrix starting at <code>row, column</code> using data in the input <code>subMatrix</code> array. Indexes are 0-based. <p> Example:<br> Starting with <pre> 1 2 3 4 5 6 7 8 9 0 1 2 </pre> and <code>subMatrix = {{3, 4} {5,6}}</code>, invoking <code>setSubMatrix(subMatrix,1,1))</code> will result in <pre> 1 2 3 4 5 3 4 8 9 5 6 2 </pre></p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>subMatrix</CODE> - array containing the submatrix replacement data<DD><CODE>row</CODE> - row coordinate of the top, left element to be replaced<DD><CODE>column</CODE> - column coordinate of the top, left element to be replaced <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if subMatrix does not fit into this matrix from element in (row, column) <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if <code>subMatrix</code> is not rectangular (not all rows have the same length) or empty <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>subMatrix</code> is null<DT><B>Since:</B></DT> <DD>2.0</DD> </DL> </DD> </DL> <HR> <A NAME="getRowMatrix(int)"><!-- --></A><H3> getRowMatrix</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.223"><B>getRowMatrix</B></A>(int row) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in row number <code>row</code> as a row matrix. Row indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be fetched <DT><B>Returns:</B><DD>row matrix <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is invalid</DL> </DD> </DL> <HR> <A NAME="setRowMatrix(int, org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> setRowMatrix</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.236"><B>setRowMatrix</B></A>(int row, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> matrix) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in row number <code>row</code> as a row matrix. Row indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be set<DD><CODE>matrix</CODE> - row matrix (must have one row and the same number of columns as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the matrix dimensions do not match one instance row</DL> </DD> </DL> <HR> <A NAME="getColumnMatrix(int)"><!-- --></A><H3> getColumnMatrix</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.247"><B>getColumnMatrix</B></A>(int column) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in column number <code>column</code> as a column matrix. Column indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be fetched <DT><B>Returns:</B><DD>column matrix <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is invalid</DL> </DD> </DL> <HR> <A NAME="setColumnMatrix(int, org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> setColumnMatrix</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.260"><B>setColumnMatrix</B></A>(int column, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> matrix) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in column number <code>column</code> as a column matrix. Column indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be set<DD><CODE>matrix</CODE> - column matrix (must have one column and the same number of rows as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the matrix dimensions do not match one instance column</DL> </DD> </DL> <HR> <A NAME="getRowVector(int)"><!-- --></A><H3> getRowVector</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.271"><B>getRowVector</B></A>(int row) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in row number <code>row</code> as a vector. Row indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be fetched <DT><B>Returns:</B><DD>row vector <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is invalid</DL> </DD> </DL> <HR> <A NAME="setRowVector(int, org.apache.commons.math.linear.RealVector)"><!-- --></A><H3> setRowVector</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.284"><B>setRowVector</B></A>(int row, <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> vector) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in row number <code>row</code> as a vector. Row indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be set<DD><CODE>vector</CODE> - row vector (must have the same number of columns as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the vector dimension does not match one instance row</DL> </DD> </DL> <HR> <A NAME="getColumnVector(int)"><!-- --></A><H3> getColumnVector</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.295"><B>getColumnVector</B></A>(int column) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in column number <code>column</code> as a vector. Column indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be fetched <DT><B>Returns:</B><DD>column vector <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is invalid</DL> </DD> </DL> <HR> <A NAME="setColumnVector(int, org.apache.commons.math.linear.RealVector)"><!-- --></A><H3> setColumnVector</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.307"><B>setColumnVector</B></A>(int column, <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> vector) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in column number <code>column</code> as a vector. Column indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be set<DD><CODE>vector</CODE> - column vector (must have the same number of rows as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the vector dimension does not match one instance column</DL> </DD> </DL> <HR> <A NAME="getRow(int)"><!-- --></A><H3> getRow</H3> <PRE> double[] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.320"><B>getRow</B></A>(int row) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in row number <code>row</code> as an array. <p> Row indices start at 0. A <code>MatrixIndexException</code> is thrown unless <code>0 <= row < rowDimension.</code></p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be fetched <DT><B>Returns:</B><DD>array of entries in the row <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is not valid</DL> </DD> </DL> <HR> <A NAME="setRow(int, double[])"><!-- --></A><H3> setRow</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.332"><B>setRow</B></A>(int row, double[] array) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in row number <code>row</code> as a row matrix. Row indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - the row to be set<DD><CODE>array</CODE> - row matrix (must have the same number of columns as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified row index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the array size does not match one instance row</DL> </DD> </DL> <HR> <A NAME="getColumn(int)"><!-- --></A><H3> getColumn</H3> <PRE> double[] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.345"><B>getColumn</B></A>(int column) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entries in column number <code>col</code> as an array. <p> Column indices start at 0. A <code>MatrixIndexException</code> is thrown unless <code>0 <= column < columnDimension.</code></p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be fetched <DT><B>Returns:</B><DD>array of entries in the column <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is not valid</DL> </DD> </DL> <HR> <A NAME="setColumn(int, double[])"><!-- --></A><H3> setColumn</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.357"><B>setColumn</B></A>(int column, double[] array) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD>Sets the entries in column number <code>column</code> as a column matrix. Column indices start at 0. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>column</CODE> - the column to be set<DD><CODE>array</CODE> - column array (must have the same number of rows as the instance) <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the specified column index is invalid <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if the array size does not match one instance column</DL> </DD> </DL> <HR> <A NAME="getEntry(int, int)"><!-- --></A><H3> getEntry</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.375"><B>getEntry</B></A>(int row, int column) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Returns the entry in the specified row and column. <p> Row and column indices start at 0 and must satisfy <ul> <li><code>0 <= row < rowDimension</code></li> <li><code> 0 <= column < columnDimension</code></li> </ul> otherwise a <code>MatrixIndexException</code> is thrown.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - row location of entry to be fetched<DD><CODE>column</CODE> - column location of entry to be fetched <DT><B>Returns:</B><DD>matrix entry in row,column <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the row or column index is not valid</DL> </DD> </DL> <HR> <A NAME="setEntry(int, int, double)"><!-- --></A><H3> setEntry</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.393"><B>setEntry</B></A>(int row, int column, double value) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Set the entry in the specified row and column. <p> Row and column indices start at 0 and must satisfy <ul> <li><code>0 <= row < rowDimension</code></li> <li><code> 0 <= column < columnDimension</code></li> </ul> otherwise a <code>MatrixIndexException</code> is thrown.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - row location of entry to be set<DD><CODE>column</CODE> - column location of entry to be set<DD><CODE>value</CODE> - matrix entry to be set in row,column <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the row or column index is not valid<DT><B>Since:</B></DT> <DD>2.0</DD> </DL> </DD> </DL> <HR> <A NAME="addToEntry(int, int, double)"><!-- --></A><H3> addToEntry</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.411"><B>addToEntry</B></A>(int row, int column, double increment) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Change an entry in the specified row and column. <p> Row and column indices start at 0 and must satisfy <ul> <li><code>0 <= row < rowDimension</code></li> <li><code> 0 <= column < columnDimension</code></li> </ul> otherwise a <code>MatrixIndexException</code> is thrown.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - row location of entry to be set<DD><CODE>column</CODE> - column location of entry to be set<DD><CODE>increment</CODE> - value to add to the current matrix entry in row,column <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the row or column index is not valid<DT><B>Since:</B></DT> <DD>2.0</DD> </DL> </DD> </DL> <HR> <A NAME="multiplyEntry(int, int, double)"><!-- --></A><H3> multiplyEntry</H3> <PRE> void <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.429"><B>multiplyEntry</B></A>(int row, int column, double factor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></PRE> <DL> <DD>Change an entry in the specified row and column. <p> Row and column indices start at 0 and must satisfy <ul> <li><code>0 <= row < rowDimension</code></li> <li><code> 0 <= column < columnDimension</code></li> </ul> otherwise a <code>MatrixIndexException</code> is thrown.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>row</CODE> - row location of entry to be set<DD><CODE>column</CODE> - column location of entry to be set<DD><CODE>factor</CODE> - multiplication factor for the current matrix entry in row,column <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the row or column index is not valid<DT><B>Since:</B></DT> <DD>2.0</DD> </DL> </DD> </DL> <HR> <A NAME="transpose()"><!-- --></A><H3> transpose</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.436"><B>transpose</B></A>()</PRE> <DL> <DD>Returns the transpose of this matrix. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>transpose matrix</DL> </DD> </DL> <HR> <A NAME="inverse()"><!-- --></A><H3> inverse</H3> <PRE> <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> </FONT><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.450"><B>inverse</B></A>() throws <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD><B>Deprecated.</B> <I>as of release 2.0, replaced by <code> <A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getSolver()"><CODE>getSolver()</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#getInverse()"><CODE>getInverse()</CODE></A></code></I> <P> <DD>Returns the inverse of this matrix. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>inverse matrix <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if this is not invertible</DL> </DD> </DL> <HR> <A NAME="getDeterminant()"><!-- --></A><H3> getDeterminant</H3> <PRE> <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> </FONT>double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.462"><B>getDeterminant</B></A>()</PRE> <DL> <DD><B>Deprecated.</B> <I>as of release 2.0, replaced by <code> <A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getDeterminant()"><CODE>getDeterminant()</CODE></A></code></I> <P> <DD>Returns the determinant of this matrix. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>determinant</DL> </DD> </DL> <HR> <A NAME="isSingular()"><!-- --></A><H3> isSingular</H3> <PRE> <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> </FONT>boolean <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.474"><B>isSingular</B></A>()</PRE> <DL> <DD><B>Deprecated.</B> <I>as of release 2.0, replaced by the boolean negation of <code><A HREF="../../../../../org/apache/commons/math/linear/LUDecompositionImpl.html#LUDecompositionImpl(org.apache.commons.math.linear.RealMatrix)"><CODE>new LUDecompositionImpl(m)</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/LUDecomposition.html#getSolver()"><CODE>getSolver()</CODE></A>.<A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#isNonSingular()"><CODE>isNonSingular()</CODE></A></code></I> <P> <DD>Is this a singular matrix? <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>true if the matrix is singular</DL> </DD> </DL> <HR> <A NAME="getTrace()"><!-- --></A><H3> getTrace</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.483"><B>getTrace</B></A>() throws <A HREF="../../../../../org/apache/commons/math/linear/NonSquareMatrixException.html" title="class in org.apache.commons.math.linear">NonSquareMatrixException</A></PRE> <DL> <DD>Returns the <a href="http://mathworld.wolfram.com/MatrixTrace.html"> trace</a> of the matrix (the sum of the elements on the main diagonal). <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>trace <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/NonSquareMatrixException.html" title="class in org.apache.commons.math.linear">NonSquareMatrixException</A></CODE> - if the matrix is not square</DL> </DD> </DL> <HR> <A NAME="operate(double[])"><!-- --></A><H3> operate</H3> <PRE> double[] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.492"><B>operate</B></A>(double[] v) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the result of multiplying this by the vector <code>v</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>v</CODE> - the vector to operate on <DT><B>Returns:</B><DD>this*v <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if columnDimension != v.size()</DL> </DD> </DL> <HR> <A NAME="operate(org.apache.commons.math.linear.RealVector)"><!-- --></A><H3> operate</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.501"><B>operate</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> v) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the result of multiplying this by the vector <code>v</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>v</CODE> - the vector to operate on <DT><B>Returns:</B><DD>this*v <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if columnDimension != v.size()</DL> </DD> </DL> <HR> <A NAME="preMultiply(double[])"><!-- --></A><H3> preMultiply</H3> <PRE> double[] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.510"><B>preMultiply</B></A>(double[] v) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the (row) vector result of premultiplying this by the vector <code>v</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>v</CODE> - the row vector to premultiply by <DT><B>Returns:</B><DD>v*this <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if rowDimension != v.size()</DL> </DD> </DL> <HR> <A NAME="preMultiply(org.apache.commons.math.linear.RealVector)"><!-- --></A><H3> preMultiply</H3> <PRE> <A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.519"><B>preMultiply</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealVector.html" title="interface in org.apache.commons.math.linear">RealVector</A> v) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></PRE> <DL> <DD>Returns the (row) vector result of premultiplying this by the vector <code>v</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>v</CODE> - the row vector to premultiply by <DT><B>Returns:</B><DD>v*this <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if rowDimension != v.size()</DL> </DD> </DL> <HR> <A NAME="walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><!-- --></A><H3> walkInRowOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.542"><B>walkInRowOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) all matrix entries in row order. <p>Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><!-- --></A><H3> walkInRowOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.566"><B>walkInRowOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) all matrix entries in row order. <p>Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><!-- --></A><H3> walkInRowOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.595"><B>walkInRowOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) some matrix entries in row order. <p>Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><!-- --></A><H3> walkInRowOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.625"><B>walkInRowOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) some matrix entries in row order. <p>Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><!-- --></A><H3> walkInColumnOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.650"><B>walkInColumnOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) all matrix entries in column order. <p>Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><!-- --></A><H3> walkInColumnOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.674"><B>walkInColumnOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) all matrix entries in column order. <p>Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><!-- --></A><H3> walkInColumnOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.703"><B>walkInColumnOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) some matrix entries in column order. <p>Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><!-- --></A><H3> walkInColumnOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.733"><B>walkInColumnOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) some matrix entries in column order. <p>Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><!-- --></A><H3> walkInOptimizedOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.757"><B>walkInOptimizedOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) all matrix entries using the fastest possible order. <p>The fastest walking order depends on the exact matrix class. It may be different from traditional row or column orders.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><!-- --></A><H3> walkInOptimizedOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.780"><B>walkInOptimizedOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) all matrix entries using the fastest possible order. <p>The fastest walking order depends on the exact matrix class. It may be different from traditional row or column orders.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><!-- --></A><H3> walkInOptimizedOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.808"><B>walkInOptimizedOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixChangingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (and possibly change) some matrix entries using the fastest possible order. <p>The fastest walking order depends on the exact matrix class. It may be different from traditional row or column orders.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index (inclusive) <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html#end()"><CODE>RealMatrixChangingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><!-- --></A><H3> walkInOptimizedOrder</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.837"><B>walkInOptimizedOrder</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html" title="interface in org.apache.commons.math.linear">RealMatrixPreservingVisitor</A> visitor, int startRow, int endRow, int startColumn, int endColumn) throws <A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A>, <A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></PRE> <DL> <DD>Visit (but don't change) some matrix entries using the fastest possible order. <p>The fastest walking order depends on the exact matrix class. It may be different from traditional row or column orders.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>visitor</CODE> - visitor used to process all matrix entries<DD><CODE>startRow</CODE> - Initial row index<DD><CODE>endRow</CODE> - Final row index (inclusive)<DD><CODE>startColumn</CODE> - Initial column index<DD><CODE>endColumn</CODE> - Final column index (inclusive) <DT><B>Returns:</B><DD>the value returned by <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixPreservingVisitor.html#end()"><CODE>RealMatrixPreservingVisitor.end()</CODE></A> at the end of the walk <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixVisitorException.html" title="class in org.apache.commons.math.linear">MatrixVisitorException</A></CODE> - if the visitor cannot process an entry <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/MatrixIndexException.html" title="class in org.apache.commons.math.linear">MatrixIndexException</A></CODE> - if the indices are not valid<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInRowOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInRowOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInColumnOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor, int, int, int, int)"><CODE>walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixPreservingVisitor)"><CODE>walkInOptimizedOrder(RealMatrixPreservingVisitor)</CODE></A>, <A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html#walkInOptimizedOrder(org.apache.commons.math.linear.RealMatrixChangingVisitor, int, int, int, int)"><CODE>walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int)</CODE></A></DL> </DD> </DL> <HR> <A NAME="solve(double[])"><!-- --></A><H3> solve</H3> <PRE> <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> </FONT>double[] <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.852"><B>solve</B></A>(double[] b) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD><B>Deprecated.</B> <I>as of release 2.0, replaced by <A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#solve(double[])"><CODE>DecompositionSolver.solve(double[])</CODE></A></I> <P> <DD>Returns the solution vector for a linear system with coefficient matrix = this and constant vector = <code>b</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>b</CODE> - constant vector <DT><B>Returns:</B><DD>vector of solution values to AX = b, where A is *this <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if this.rowDimension != b.length <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if this matrix is not square or is singular</DL> </DD> </DL> <HR> <A NAME="solve(org.apache.commons.math.linear.RealMatrix)"><!-- --></A><H3> solve</H3> <PRE> <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> </FONT><A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> <A HREF="../../../../../src-html/org/apache/commons/math/linear/RealMatrix.html#line.867"><B>solve</B></A>(<A HREF="../../../../../org/apache/commons/math/linear/RealMatrix.html" title="interface in org.apache.commons.math.linear">RealMatrix</A> b) throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A>, <A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></PRE> <DL> <DD><B>Deprecated.</B> <I>as of release 2.0, replaced by <A HREF="../../../../../org/apache/commons/math/linear/DecompositionSolver.html#solve(org.apache.commons.math.linear.RealMatrix)"><CODE>DecompositionSolver.solve(RealMatrix)</CODE></A></I> <P> <DD>Returns a matrix of (column) solution vectors for linear systems with coefficient matrix = this and constant vectors = columns of <code>b</code>. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>b</CODE> - matrix of constant vectors forming RHS of linear systems to to solve <DT><B>Returns:</B><DD>matrix of solution vectors <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if this.rowDimension != row dimension <DD><CODE><A HREF="../../../../../org/apache/commons/math/linear/InvalidMatrixException.html" title="class in org.apache.commons.math.linear">InvalidMatrixException</A></CODE> - if this matrix is not square or is singular</DL> </DD> </DL> <!-- ========= END OF CLASS DATA ========= --> <HR> <!-- ======= START OF BOTTOM NAVBAR ====== --> <A NAME="navbar_bottom"><!-- --></A> <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_bottom_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/RealMatrix.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> </EM> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../org/apache/commons/math/linear/QRDecompositionImpl.html" title="class in org.apache.commons.math.linear"><B>PREV CLASS</B></A> <A HREF="../../../../../org/apache/commons/math/linear/RealMatrixChangingVisitor.html" title="interface in org.apache.commons.math.linear"><B>NEXT CLASS</B></A></FONT></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html?org/apache/commons/math/linear/RealMatrix.html" target="_top"><B>FRAMES</B></A> <A HREF="RealMatrix.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_bottom"></A> <!-- ======== END OF BOTTOM NAVBAR ======= --> <HR> Copyright © 2003-2010 <a href="http://www.apache.org/">The Apache Software Foundation</a>. 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