edu.udo.cs.yale.tools.math.optimization.ec.es
Class GaussianMutation

java.lang.Object
  edu.udo.cs.yale.tools.math.optimization.ec.es.GaussianMutation

All Implemented Interfaces:

PopulationOperator

public class GaussianMutation
extends java.lang.Object
implements PopulationOperator

Changes the values by adding a gaussian distribution multiplied with the current variance. Clips the value range to [min,max].

Version:

$Id: GaussianMutation.java,v 1.3 2006/08/25 23:38:52 ingomierswa Exp $

Author:

Ingo Mierswa

Field Summary

private double[]	max
private double[]	min
private java.util.Random	random
private double[]	sigma
private int[]	valueTypes

Constructor Summary

GaussianMutation(double[] sigma, double[] min, double[] max, int[] valueTypes, java.util.Random random)

Method Summary

double[]	getSigma()
void	operate(Population population)
void	setSigma(double[] sigma)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sigma

private double[] sigma

min

private double[] min

max

private double[] max

valueTypes

private int[] valueTypes

random

private java.util.Random random

Constructor Detail

GaussianMutation

public GaussianMutation(double[] sigma,
                        double[] min,
                        double[] max,
                        int[] valueTypes,
                        java.util.Random random)

Method Detail

setSigma

public void setSigma(double[] sigma)

getSigma

public double[] getSigma()

operate

public void operate(Population population)

Specified by:

operate in interface PopulationOperator