org.uma.jmetal.problem.multiobjective.wfg

Class WFG2

java.lang.Object

org.uma.jmetal.problem.impl.AbstractGenericProblem<DoubleSolution>

org.uma.jmetal.problem.impl.AbstractDoubleProblem

org.uma.jmetal.problem.multiobjective.wfg.WFG

org.uma.jmetal.problem.multiobjective.wfg.WFG2

All Implemented Interfaces:

Serializable, DoubleProblem, Problem<DoubleSolution>

public class WFG2
extends WFG

This class implements the WFG2 problem Reference: Simon Huband, Luigi Barone, Lyndon While, Phil Hingston A Scalable Multi-objective Test Problem Toolkit. Evolutionary Multi-Criterion Optimization: Third International Conference, EMO 2005. Proceedings, volume 3410 of Lecture Notes in Computer Science

See Also:

Serialized Form

Field Summary

Fields inherited from class org.uma.jmetal.problem.multiobjective.wfg.WFG

a, d, k, l, m, random, s

Constructor Summary

Constructors

Constructor and Description
WFG2() Creates a default WFG2 instance with 2 position-related parameters 4 distance-related parameters and 2 objectives
WFG2(Integer k, Integer l, Integer m) Creates a WFG2 problem instance

Method Summary

Modifier and Type	Method and Description
void	evaluate(DoubleSolution solution) Evaluates a solution
float[]	evaluate(float[] z) Evaluates a solution
float[]	t1(float[] z, int k) WFG2 t1 transformation
float[]	t2(float[] z, int k) WFG2 t2 transformation
float[]	t3(float[] z, int k, int M) WFG2 t3 transformation

Methods inherited from class org.uma.jmetal.problem.multiobjective.wfg.WFG

calculateX, correctTo01, createSolution, normalise, subVector

Methods inherited from class org.uma.jmetal.problem.impl.AbstractDoubleProblem

getLowerBound, getUpperBound, setLowerLimit, setUpperLimit

Methods inherited from class org.uma.jmetal.problem.impl.AbstractGenericProblem

getName, getNumberOfConstraints, getNumberOfObjectives, getNumberOfVariables, setName, setNumberOfConstraints, setNumberOfObjectives, setNumberOfVariables

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.uma.jmetal.problem.Problem

getName, getNumberOfConstraints, getNumberOfObjectives, getNumberOfVariables

Constructor Detail

WFG2

public WFG2()
     throws ClassNotFoundException,
            JMetalException

Creates a default WFG2 instance with 2 position-related parameters 4 distance-related parameters and 2 objectives

Throws:

ClassNotFoundException

JMetalException

WFG2

public WFG2(Integer k,
            Integer l,
            Integer m)

Creates a WFG2 problem instance

Parameters:

k - Number of position parameters

l - Number of distance parameters

m - Number of objective functions

Method Detail

evaluate

public float[] evaluate(float[] z)

Description copied from class: WFG

Evaluates a solution

Specified by:

evaluate in class WFG

Parameters:

z - The solution to evaluate

Returns:

a double [] with the evaluation results

t1

public float[] t1(float[] z,
                  int k)

WFG2 t1 transformation

t2

public float[] t2(float[] z,
                  int k)

WFG2 t2 transformation

t3

public float[] t3(float[] z,
                  int k,
                  int M)

WFG2 t3 transformation

evaluate

public void evaluate(DoubleSolution solution)

Evaluates a solution

Parameters:

solution - The solution to evaluate