org.uma.jmetal.problem.multiobjective.wfg

Class WFG4

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.WFG4

All Implemented Interfaces:

Serializable, DoubleProblem, Problem<DoubleSolution>

public class WFG4
extends WFG

This class implements the WFG4 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
WFG4() Creates a default WFG4 with 2 position-related parameter, 4 distance-related parameter and 2 objectives
WFG4(Integer k, Integer l, Integer m) Creates a WFG4 problem instance

Method Summary

Modifier and Type	Method and Description
void	evaluate(DoubleSolution solution) Evaluates a solution
float[]	evaluate(float[] z) Evaluate() method
float[]	t1(float[] z, int k) WFG4 t1 transformation
float[]	t2(float[] z, int k, int M) WFG4 t2 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

WFG4

public WFG4()

Creates a default WFG4 with 2 position-related parameter, 4 distance-related parameter and 2 objectives

WFG4

public WFG4(Integer k,
            Integer l,
            Integer m)

Creates a WFG4 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)

Evaluate() method

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)

WFG4 t1 transformation

t2

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

WFG4 t2 transformation

evaluate

public void evaluate(DoubleSolution solution)

Evaluates a solution

Parameters:

solution - The solution to runAlgorithm

Throws:

JMetalException