Package org.uma.evolver.util

Class HypervolumeMinus

java.lang.Object

org.uma.jmetal.qualityindicator.QualityIndicator

org.uma.jmetal.qualityindicator.impl.hypervolume.Hypervolume

org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume

org.uma.evolver.util.HypervolumeMinus

public class HypervolumeMinus
extends org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume

Class that returns the negative of the hypervolume value. This is useful when the hypervolume needs to be minimized instead of maximized, for example when used as an objective in optimization problems. The hypervolume is computed using the PISAHypervolume implementation and then multiplied by -1.

Author:

Antonio J. Nebro

Field Summary

Fields inherited from class org.uma.jmetal.qualityindicator.QualityIndicator

referenceFront

Constructor Summary

Constructors

Constructor	Description
HypervolumeMinus()

Method Summary

Modifier and Type	Method	Description
double	compute(double[][] front)
String	name()
org.uma.jmetal.qualityindicator.QualityIndicator	newInstance()

Methods inherited from class org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume

calculateHypervolume, description

Methods inherited from class org.uma.jmetal.qualityindicator.impl.hypervolume.Hypervolume

getReferencePoint, isTheLowerTheIndicatorValueTheBetter, setReferencePoint

Methods inherited from class org.uma.jmetal.qualityindicator.QualityIndicator

referenceFront, referenceFront

Methods inherited from class java.lang.Object

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

Constructor Details

HypervolumeMinus

public HypervolumeMinus()

Method Details

compute

public double compute(double[][] front)

Overrides:

compute in class org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume

newInstance

public org.uma.jmetal.qualityindicator.QualityIndicator newInstance()

Overrides:

newInstance in class org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume

name

public String name()

Overrides:

name in class org.uma.jmetal.qualityindicator.impl.hypervolume.impl.PISAHypervolume