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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 22:46:10 EDT 2010 --> <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> <TITLE> ExponentialDistribution (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="ExponentialDistribution (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 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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.distribution</FONT> <BR> Interface ExponentialDistribution</H2> <DL> <DT><B>All Superinterfaces:</B> <DD><A HREF="../../../../../org/apache/commons/math/distribution/ContinuousDistribution.html" title="interface in org.apache.commons.math.distribution">ContinuousDistribution</A>, <A HREF="../../../../../org/apache/commons/math/distribution/Distribution.html" title="interface in org.apache.commons.math.distribution">Distribution</A>, <A HREF="../../../../../org/apache/commons/math/distribution/HasDensity.html" title="interface in org.apache.commons.math.distribution">HasDensity</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></DD> </DL> <DL> <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/commons/math/distribution/ExponentialDistributionImpl.html" title="class in org.apache.commons.math.distribution">ExponentialDistributionImpl</A></DD> </DL> <HR> <DL> <DT><PRE>public interface <A HREF="../../../../../src-html/org/apache/commons/math/distribution/ExponentialDistribution.html#line.32"><B>ExponentialDistribution</B></A><DT>extends <A HREF="../../../../../org/apache/commons/math/distribution/ContinuousDistribution.html" title="interface in org.apache.commons.math.distribution">ContinuousDistribution</A>, <A HREF="../../../../../org/apache/commons/math/distribution/HasDensity.html" title="interface in org.apache.commons.math.distribution">HasDensity</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></DL> </PRE> <P> The Exponential Distribution. <p> References: <ul> <li><a href="http://mathworld.wolfram.com/ExponentialDistribution.html"> Exponential Distribution</a></li> </ul> </p> <P> <P> <DL> <DT><B>Version:</B></DT> <DD>$Revision: 920852 $ $Date: 2010-03-09 07:53:44 -0500 (Tue, 09 Mar 2010) $</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> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/distribution/ExponentialDistribution.html#density(java.lang.Double)">density</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> x)</CODE> <BR> Return the probability density for a particular point.</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/distribution/ExponentialDistribution.html#getMean()">getMean</A></B>()</CODE> <BR> Access the mean.</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/distribution/ExponentialDistribution.html#setMean(double)">setMean</A></B>(double mean)</CODE> <BR> <B>Deprecated.</B> <I>as of v2.1</I></TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_org.apache.commons.math.distribution.ContinuousDistribution"><!-- --></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.distribution.<A HREF="../../../../../org/apache/commons/math/distribution/ContinuousDistribution.html" title="interface in org.apache.commons.math.distribution">ContinuousDistribution</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="../../../../../org/apache/commons/math/distribution/ContinuousDistribution.html#inverseCumulativeProbability(double)">inverseCumulativeProbability</A></CODE></TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_org.apache.commons.math.distribution.Distribution"><!-- --></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.distribution.<A HREF="../../../../../org/apache/commons/math/distribution/Distribution.html" title="interface in org.apache.commons.math.distribution">Distribution</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="../../../../../org/apache/commons/math/distribution/Distribution.html#cumulativeProbability(double)">cumulativeProbability</A>, <A HREF="../../../../../org/apache/commons/math/distribution/Distribution.html#cumulativeProbability(double, double)">cumulativeProbability</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="setMean(double)"><!-- --></A><H3> setMean</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>void <A HREF="../../../../../src-html/org/apache/commons/math/distribution/ExponentialDistribution.html#line.39"><B>setMean</B></A>(double mean)</PRE> <DL> <DD><B>Deprecated.</B> <I>as of v2.1</I> <P> <DD>Modify the mean. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>mean</CODE> - the new mean.</DL> </DD> </DL> <HR> <A NAME="getMean()"><!-- --></A><H3> getMean</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/distribution/ExponentialDistribution.html#line.45"><B>getMean</B></A>()</PRE> <DL> <DD>Access the mean. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the mean.</DL> </DD> </DL> <HR> <A NAME="density(java.lang.Double)"><!-- --></A><H3> density</H3> <PRE> double <A HREF="../../../../../src-html/org/apache/commons/math/distribution/ExponentialDistribution.html#line.52"><B>density</B></A>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A> x)</PRE> <DL> <DD>Return the probability density for a particular point. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/distribution/HasDensity.html#density(P)">density</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/distribution/HasDensity.html" title="interface in org.apache.commons.math.distribution">HasDensity</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></CODE></DL> </DD> <DD><DL> 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