public FocalParticle(EFunction functionType, EConstrictionFactor constrictionType, List <AbstractPSOParticle> swarm, bool isFocalParticle) : base(functionType, constrictionType)
{
this.swarm = swarm;
this.IsFocalParticle = isFocalParticle;
foreach (AbstractPSOParticle abs in swarm)
{
if (((FocalParticle)abs).IsFocalParticle)
{
focalParticle = abs;
break;
}
}
}
public override void UpdateSpeed()
{
//Selecionar partícula mais "relevante"
AbstractPSOParticle bestParticle = neighbors.OrderBy(x => x.PersonalBest).First();
//Fazer as matemágicas
for (int i = 0; i < Parameters.DIMENSION_AMOUNT; i++)
{
Velocity[i] = constriction.CalculateVelocity
(
Velocity[i], random.NextDouble(), random.NextDouble(),
Position[i], bestParticle.PositionPBest[i], PositionPBest[i]
);
}
}
public override void UpdateSpeed()
{
//FocalParticle seleciona a particula mais "influente"
AbstractPSOParticle bestParticle = null;
if (IsFocalParticle)
{
bestParticle = swarm[0];
for (int j = 0; j < Parameters.PARTICLE_AMOUNT; j++)
{
if (swarm[j].PersonalBest < bestParticle.PersonalBest)
{
bestParticle = swarm[j];
}
}
}
for (int i = 0; i < Parameters.DIMENSION_AMOUNT; i++)
{
if (IsFocalParticle)
{
Velocity[i] = constriction.CalculateVelocity
(
Velocity[i], random.NextDouble(), random.NextDouble(),
Position[i], PositionPBest[i], bestParticle.PositionPBest[i]
);
}
else
{
Velocity[i] = constriction.CalculateVelocity
(
Velocity[i], random.NextDouble(), random.NextDouble(),
Position[i], focalParticle.Position[i], PositionPBest[i]
);
}
}
}
public Swarm(ETopology topology, EFunction function, EConstrictionFactor constrictionFactor)
{
AbstractPSOParticle.ClearStaticFields();
ParticleList = AbstractPSOParticle.CreateSwarm(topology, function, constrictionFactor, Parameters.PARTICLE_AMOUNT);
}