org.uma.jmetal.problem.multiobjective.zdt

Class ZDT4

java.lang.Object

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

org.uma.jmetal.problem.impl.AbstractDoubleProblem

org.uma.jmetal.problem.multiobjective.zdt.ZDT4

All Implemented Interfaces:

Serializable, DoubleProblem, Problem<DoubleSolution>

public class ZDT4
extends AbstractDoubleProblem

Class representing problem ZDT4

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ZDT4() Constructor.
ZDT4(Integer numberOfVariables) Creates a instance of problem ZDT4.

Method Summary

Modifier and Type	Method and Description
double	evalG(DoubleSolution solution) Returns the value of the ZDT4 function G.
double	evalH(double f, double g) Returns the value of the ZDT4 function H.
void	evaluate(DoubleSolution solution) Evaluate() method

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

createSolution, 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

ZDT4

public ZDT4()

Constructor. Creates a default instance of problem ZDT4 (10 decision variables

ZDT4

public ZDT4(Integer numberOfVariables)

Creates a instance of problem ZDT4.

Parameters:

numberOfVariables - Number of variables.

Method Detail

evaluate

public void evaluate(DoubleSolution solution)

Evaluate() method

evalG

public double evalG(DoubleSolution solution)

Returns the value of the ZDT4 function G.

Parameters:

solution - Solution

evalH

public double evalH(double f,
                    double g)

Returns the value of the ZDT4 function H.

Parameters:

f - First argument of the function H.

g - Second argument of the function H.