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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 1.5.0_13) on Mon Jul 14 01:36:53 CEST 2008 --><TITLE>PSOOptimization (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.tools.math.optimization.ec.pso.PSOOptimization class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PSOOptimization (RapidMiner Class Documentation)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= 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 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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 | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <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">com.rapidminer.tools.math.optimization.ec.pso</FONT><BR>Class PSOOptimization</H2><PRE>java.lang.Object <IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.tools.math.optimization.ec.pso.PSOOptimization</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/Optimization.html" title="interface in com.rapidminer.tools.math.optimization">Optimization</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../../com/rapidminer/operator/learner/functions/kernel/evosvm/PSOSVMOptimization.html" title="class in com.rapidminer.operator.learner.functions.kernel.evosvm">PSOSVMOptimization</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>PSOOptimization</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../../../../com/rapidminer/tools/math/optimization/Optimization.html" title="interface in com.rapidminer.tools.math.optimization">Optimization</A></DL></PRE><P>This class performs the optimization of a value vector with a particle swarm approach.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: PSOOptimization.java,v 1.3 2008/05/09 19:23:19 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Ingo Mierswa</DD></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_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>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#PSOOptimization(int, int, int, int, double, double, double, double, double, boolean, com.rapidminer.tools.RandomGenerator)">PSOOptimization</A></B>(int popSize, int individualSize, int maxGen, int maxWithoutImprovement, double inertiaWeight, double localWeight, double globalWeight, double minValue, double maxValue, boolean dynamicInertiaWeight, <A HREF="../../../../../../../com/rapidminer/tools/RandomGenerator.html" title="class in com.rapidminer.tools">RandomGenerator</A> random)</CODE><BR> Creates a new PSO optimization with the given parameters.</TD></TR></TABLE> <!-- ========== 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>protected <A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/Population.html" title="class in com.rapidminer.tools.math.optimization.ec.pso">Population</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#createInitialPopulation(int, int)">createInitialPopulation</A></B>(int popSize, int individualSize)</CODE><BR> Creates the initial population.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../../../../../com/rapidminer/operator/performance/PerformanceVector.html" title="class in com.rapidminer.operator.performance">PerformanceVector</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#evaluateIndividual(double[])">evaluateIndividual</A></B>(double[] individual)</CODE><BR> Subclasses must implement this method to calculate the fitness of the given individual.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#getBestFitnessEver()">getBestFitnessEver</A></B>()</CODE><BR> Returns the best fitness ever.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#getBestFitnessInGeneration()">getBestFitnessInGeneration</A></B>()</CODE><BR> Returns the best fitness in the current generation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../../../com/rapidminer/operator/performance/PerformanceVector.html" title="class in com.rapidminer.operator.performance">PerformanceVector</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#getBestPerformanceEver()">getBestPerformanceEver</A></B>()</CODE><BR> Returns the best performance vector ever.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#getBestValuesEver()">getBestValuesEver</A></B>()</CODE><BR> Returns the best values ever.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#getGeneration()">getGeneration</A></B>()</CODE><BR> Returns the current generation.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#nextIteration()">nextIteration</A></B>()</CODE><BR> This method is invoked after each evaluation.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#optimize()">optimize</A></B>()</CODE><BR> Invoke this method for optimization.</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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#setMaxValue(double)">setMaxValue</A></B>(double maxValue)</CODE><BR> </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="../../../../../../../com/rapidminer/tools/math/optimization/ec/pso/PSOOptimization.html#setMinValue(double)">setMinValue</A></B>(double minValue)</CODE><BR> </TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_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>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="PSOOptimization(int, int, int, int, double, double, double, double, double, boolean, com.rapidminer.tools.RandomGenerator)"><!-- --></A><H3>PSOOptimization</H3><PRE>public <B>PSOOptimization</B>(int popSize, int individualSize, int maxGen,⌨️ 快捷键说明
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