jmetal.metaheuristics.ibea
Class IBEA

java.lang.Object
  jmetal.core.Algorithm
      jmetal.metaheuristics.ibea.IBEA

All Implemented Interfaces:

java.io.Serializable

public class IBEA
extends Algorithm

This class implementing the IBEA algorithm

See Also:

Serialized Form

Field Summary

static int

TOURNAMENTS_ROUNDS Defines the number of tournaments for creating the mating pool

Fields inherited from class jmetal.core.Algorithm

inputParameters_, operators_, problem_

Constructor Summary

IBEA(Problem problem)
Constructor.

Method Summary

void	calculateFitness(SolutionSet solutionSet) Calculate the fitness for the entire population.
void	computeIndicatorValuesHD(SolutionSet solutionSet, double[] maximumValues, double[] minimumValues) This structure store the indicator values of each pair of elements
SolutionSet	execute() Runs of the IBEA algorithm.
void	fitness(SolutionSet solutionSet, int pos) Calculate the fitness for the individual at position pos
void	removeWorst(SolutionSet solutionSet) Update the fitness before removing an individual

Methods inherited from class jmetal.core.Algorithm

addOperator, getInputParameter, getOperator, getOutputParameter, getProblem, setInputParameter, setOutputParameter

Methods inherited from class java.lang.Object

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

Field Detail

TOURNAMENTS_ROUNDS

public static final int TOURNAMENTS_ROUNDS

Defines the number of tournaments for creating the mating pool

See Also:

Constant Field Values

Constructor Detail

IBEA

public IBEA(Problem problem)

Constructor. Create a new IBEA instance

Parameters:

problem - Problem to solve

Method Detail

computeIndicatorValuesHD

public void computeIndicatorValuesHD(SolutionSet solutionSet,
                                     double[] maximumValues,
                                     double[] minimumValues)

This structure store the indicator values of each pair of elements

fitness

public void fitness(SolutionSet solutionSet,
                    int pos)

Calculate the fitness for the individual at position pos

calculateFitness

public void calculateFitness(SolutionSet solutionSet)

Calculate the fitness for the entire population.

removeWorst

public void removeWorst(SolutionSet solutionSet)

Update the fitness before removing an individual

execute

public SolutionSet execute()
                    throws JMException,
                           java.lang.ClassNotFoundException

Runs of the IBEA algorithm.

Specified by:

execute in class Algorithm

Returns:

a SolutionSet that is a set of non dominated solutions as a result of the algorithm execution

Throws:

JMException

java.lang.ClassNotFoundException