jmetal.problems.ZDT
Class ZDT1

java.lang.Object
  jmetal.core.Problem
      jmetal.problems.ZDT.ZDT1

All Implemented Interfaces:

java.io.Serializable

public class ZDT1
extends Problem

Class representing problem ZDT1

See Also:

Serialized Form

Field Summary

Fields inherited from class jmetal.core.Problem

length_, lowerLimit_, numberOfConstraints_, numberOfObjectives_, numberOfVariables_, problemName_, solutionType_, upperLimit_

Constructor Summary

ZDT1(java.lang.String solutionType)
Constructor.

ZDT1(java.lang.String solutionType, java.lang.Integer numberOfVariables)
Creates a new instance of problem ZDT1.

Method Summary

double	evalH(double f, double g) Returns the value of the ZDT1 function H.
void	evaluate(Solution solution) Evaluates a solution.

Methods inherited from class jmetal.core.Problem

evaluateConstraints, getLength, getLowerLimit, getName, getNumberOfBits, getNumberOfConstraints, getNumberOfObjectives, getNumberOfVariables, getPrecision, getPrecision, getSolutionType, getUpperLimit, setNumberOfVariables, setPrecision, setSolutionType

Methods inherited from class java.lang.Object

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

Constructor Detail

ZDT1

public ZDT1(java.lang.String solutionType)
     throws java.lang.ClassNotFoundException

Constructor. Creates a default instance of problem ZDT1 (30 decision variables)

Parameters:

solutionType - The solution type must "Real", "BinaryReal, and "ArrayReal". ArrayReal, or ArrayRealC".

Throws:

java.lang.ClassNotFoundException

ZDT1

public ZDT1(java.lang.String solutionType,
            java.lang.Integer numberOfVariables)

Creates a new instance of problem ZDT1.

Parameters:

numberOfVariables - Number of variables.

solutionType - The solution type must "Real", "BinaryReal, and "ArrayReal".

Method Detail

evaluate

public void evaluate(Solution solution)
              throws JMException

Evaluates a solution.

Specified by:

evaluate in class Problem

Parameters:

solution - The solution to evaluate.

Throws:

JMException

evalH

public double evalH(double f,
                    double g)

Returns the value of the ZDT1 function H.

Parameters:

f - First argument of the function H.

g - Second argument of the function H.