Catalano.Evolutionary.Metaheuristics.Monoobjective

Class ParticleSwarmOptimization

java.lang.Object

Catalano.Evolutionary.Metaheuristics.Monoobjective.BaseEvolutionaryOptimization

Catalano.Evolutionary.Metaheuristics.Monoobjective.ParticleSwarmOptimization

public class ParticleSwarmOptimization
extends BaseEvolutionaryOptimization

Particle Swarm Optimization (PSO).

Constructor Summary

Constructors

Constructor and Description
ParticleSwarmOptimization() Initializes a new instance of the ParticleSwarmOptimization class.
ParticleSwarmOptimization(int swarm, int iterations) Initializes a new instance of the ParticleSwarmOptimization class.
ParticleSwarmOptimization(int swarm, int iterations, double c1, double c2, double w) Initializes a new instance of the ParticleSwarmOptimization class.
ParticleSwarmOptimization(int swarm, int iterations, double c1, double c2, double w, long seed) Initializes a new instance of the ParticleSwarmOptimization class.

Method Summary

Modifier and Type	Method and Description
void	Compute(IObjectiveFunction function, java.util.List<DoubleRange> boundConstraint) Compute the algorithm.
void	Compute(IObjectiveFunction function, java.util.List<DoubleRange> boundConstraint, java.util.List<DoubleRange> velocity) Optimize the function.

Methods inherited from class Catalano.Evolutionary.Metaheuristics.Monoobjective.BaseEvolutionaryOptimization

getBest, getError, getGenerations, getNumberOfEvaluations, getPopulationSize, getTolerance, setGenerations, setOnIteratorListener, setPopulationSize, setTolerance

Methods inherited from class java.lang.Object

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

Constructor Detail

ParticleSwarmOptimization

public ParticleSwarmOptimization()

Initializes a new instance of the ParticleSwarmOptimization class.

ParticleSwarmOptimization

public ParticleSwarmOptimization(int swarm,
                                 int iterations)

Initializes a new instance of the ParticleSwarmOptimization class.

Parameters:

swarm - Number of swarms.

iterations - Number of iterations.

ParticleSwarmOptimization

public ParticleSwarmOptimization(int swarm,
                                 int iterations,
                                 double c1,
                                 double c2,
                                 double w)

Initializes a new instance of the ParticleSwarmOptimization class.

Parameters:

swarm - Number of swarms.

iterations - Number of iterations.

c1 - Learning factor 1.

c2 - Learning factor 2.

w - Learning factor 0.

ParticleSwarmOptimization

public ParticleSwarmOptimization(int swarm,
                                 int iterations,
                                 double c1,
                                 double c2,
                                 double w,
                                 long seed)

Initializes a new instance of the ParticleSwarmOptimization class.

Parameters:

swarm - Number of swarms.

iterations - Number of iterations.

c1 - Learning factor 1.

c2 - Learning factor 2.

w - Learning factor 0.

seed - Random seed.

Method Detail

Compute

public void Compute(IObjectiveFunction function,
                    java.util.List<DoubleRange> boundConstraint)

Description copied from class: BaseEvolutionaryOptimization

Compute the algorithm.

Specified by:

Compute in class BaseEvolutionaryOptimization

Parameters:

function - Function.

boundConstraint - Bounds constraints.

Compute

public void Compute(IObjectiveFunction function,
                    java.util.List<DoubleRange> boundConstraint,
                    java.util.List<DoubleRange> velocity)

Optimize the function.

Parameters:

function - Objective function.

boundConstraint - Constraint.

velocity - Velocity.