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diff libs/commons-math-2.1/docs/apidocs/org/apache/commons/math/optimization/VectorialConvergenceChecker.html @ 15:878723cc40fb
commons-math-2.1 added
| author | dwinter |
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| date | Tue, 04 Jan 2011 10:02:41 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libs/commons-math-2.1/docs/apidocs/org/apache/commons/math/optimization/VectorialConvergenceChecker.html Tue Jan 04 10:02:41 2011 +0100 @@ -0,0 +1,245 @@ +<!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 22:46:15 EDT 2010 --> +<META http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<TITLE> +VectorialConvergenceChecker (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="VectorialConvergenceChecker (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" CLASS="NavBarCell1"> +<A NAME="navbar_top_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/VectorialConvergenceChecker.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/optimization/UnivariateRealOptimizer.html" title="interface in org.apache.commons.math.optimization"><B>PREV CLASS</B></A> + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization"><B>NEXT CLASS</B></A></FONT></TD> +<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> + <A HREF="../../../../../index.html?org/apache/commons/math/optimization/VectorialConvergenceChecker.html" target="_top"><B>FRAMES</B></A> + <A HREF="VectorialConvergenceChecker.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_top"></A> +<!-- ========= END OF TOP NAVBAR ========= --> + +<HR> +<!-- ======== START OF CLASS DATA ======== --> +<H2> +<FONT SIZE="-1"> +org.apache.commons.math.optimization</FONT> +<BR> +Interface VectorialConvergenceChecker</H2> +<DL> +<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/commons/math/optimization/SimpleVectorialPointChecker.html" title="class in org.apache.commons.math.optimization">SimpleVectorialPointChecker</A>, <A HREF="../../../../../org/apache/commons/math/optimization/SimpleVectorialValueChecker.html" title="class in org.apache.commons.math.optimization">SimpleVectorialValueChecker</A></DD> +</DL> +<HR> +<DL> +<DT><PRE>public interface <A HREF="../../../../../src-html/org/apache/commons/math/optimization/VectorialConvergenceChecker.html#line.37"><B>VectorialConvergenceChecker</B></A></DL> +</PRE> + +<P> +This interface specifies how to check if a <A HREF="../../../../../org/apache/commons/math/optimization/DifferentiableMultivariateVectorialOptimizer.html" title="interface in org.apache.commons.math.optimization"><CODE>optimization algorithm</CODE></A> has converged. + + <p>Deciding if convergence has been reached is a problem-dependent issue. The + user should provide a class implementing this interface to allow the optimization + algorithm to stop its search according to the problem at hand.</p> + <p>For convenience, two implementations that fit simple needs are already provided: + <A HREF="../../../../../org/apache/commons/math/optimization/SimpleVectorialValueChecker.html" title="class in org.apache.commons.math.optimization"><CODE>SimpleVectorialValueChecker</CODE></A> and <A HREF="../../../../../org/apache/commons/math/optimization/SimpleVectorialPointChecker.html" title="class in org.apache.commons.math.optimization"><CODE>SimpleVectorialPointChecker</CODE></A>. The first + one considers convergence is reached when the objective function value does not + change much anymore, it does not use the point set at all. The second one + considers convergence is reached when the input point set does not change + much anymore, it does not use objective function value at all.</p> +<P> + +<P> +<DL> +<DT><B>Since:</B></DT> + <DD>2.0</DD> +<DT><B>Version:</B></DT> + <DD>$Revision: 780674 $ $Date: 2009-06-01 11:10:55 -0400 (Mon, 01 Jun 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> boolean</CODE></FONT></TD> +<TD><CODE><B><A HREF="../../../../../org/apache/commons/math/optimization/VectorialConvergenceChecker.html#converged(int, org.apache.commons.math.optimization.VectorialPointValuePair, org.apache.commons.math.optimization.VectorialPointValuePair)">converged</A></B>(int iteration, + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization">VectorialPointValuePair</A> previous, + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization">VectorialPointValuePair</A> current)</CODE> + +<BR> + Check if the optimization algorithm has converged considering the last points.</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="converged(int, org.apache.commons.math.optimization.VectorialPointValuePair, org.apache.commons.math.optimization.VectorialPointValuePair)"><!-- --></A><H3> +converged</H3> +<PRE> +boolean <A HREF="../../../../../src-html/org/apache/commons/math/optimization/VectorialConvergenceChecker.html#line.53"><B>converged</B></A>(int iteration, + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization">VectorialPointValuePair</A> previous, + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization">VectorialPointValuePair</A> current)</PRE> +<DL> +<DD>Check if the optimization algorithm has converged considering the last points. + <p> + This method may be called several time from the same algorithm iteration with + different points. This can be detected by checking the iteration number at each + call if needed. Each time this method is called, the previous and current point + correspond to points with the same role at each iteration, so they can be + compared. As an example, simplex-based algorithms call this method for all + points of the simplex, not only for the best or worst ones. + </p> +<P> +<DD><DL> +<DT><B>Parameters:</B><DD><CODE>iteration</CODE> - index of current iteration<DD><CODE>previous</CODE> - point from previous iteration<DD><CODE>current</CODE> - point from current iteration +<DT><B>Returns:</B><DD>true if the algorithm is considered to have converged</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/VectorialConvergenceChecker.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/optimization/UnivariateRealOptimizer.html" title="interface in org.apache.commons.math.optimization"><B>PREV CLASS</B></A> + <A HREF="../../../../../org/apache/commons/math/optimization/VectorialPointValuePair.html" title="class in org.apache.commons.math.optimization"><B>NEXT CLASS</B></A></FONT></TD> +<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> + <A HREF="../../../../../index.html?org/apache/commons/math/optimization/VectorialConvergenceChecker.html" target="_top"><B>FRAMES</B></A> + <A HREF="VectorialConvergenceChecker.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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