Package org.uma.jmetal.qualityindicator.impl

Class Epsilon

java.lang.Object

org.uma.jmetal.qualityindicator.QualityIndicator

org.uma.jmetal.qualityindicator.impl.Epsilon

public class Epsilon
extends QualityIndicator

This class implements the unary epsilon additive indicator as proposed in E. Zitzler, E. Thiele, L. Laummanns, M., Fonseca, C., and Grunert da Fonseca. V (2003): Performance Assessment of Multiobjective Optimizers: An Analysis and Review. The code is the a Java version of the original metric implementation by Eckart Zitzler. It can be used also as a command line program just by typing $java org.uma.jmetal.qualityindicator.impl.Epsilon

Author:

Antonio J. Nebro, Juan J. Durillo

Field Summary

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

referenceFront

Constructor Summary

Constructors

Constructor	Description
Epsilon()	Default constructor
Epsilon(double[][] referenceFront)	Constructor

Method Summary

Modifier and Type	Method	Description
double	compute(double[][] front)	Evaluate() method
String	description()
boolean	isTheLowerTheIndicatorValueTheBetter()	Returns true if lower indicator values are preferred and false otherwise
String	name()
QualityIndicator	newInstance()

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

Epsilon

public Epsilon()

Default constructor

Epsilon

public Epsilon(double[][] referenceFront)

Constructor

Parameters:

referenceFront -

Method Details

isTheLowerTheIndicatorValueTheBetter

public boolean isTheLowerTheIndicatorValueTheBetter()

Description copied from class: QualityIndicator

Returns true if lower indicator values are preferred and false otherwise

Specified by:

isTheLowerTheIndicatorValueTheBetter in class QualityIndicator

newInstance

public QualityIndicator newInstance()

Specified by:

newInstance in class QualityIndicator

compute

public double compute(double[][] front)

Evaluate() method

Specified by:

compute in class QualityIndicator

Parameters:

front -

Returns:

description

public String description()

Specified by:

description in class QualityIndicator

name

public String name()

Specified by:

name in class QualityIndicator