Computational Intelligence

Particle Swarm Optimization Implementation 133

switch (fun_type)

{

case G1_MIN:

g1_min(); break;

case G1_MAX:

g1_max(); break;

case G7_MIN:

g7_min(); break;

case G7_MAX:

g7_max(); break;

case G9_MIN:

g9_min(); break;

case G9_MAX:

g9_max(); break;

case F6:

f6(); break;

case PARABOLIC:

parabolic(); break;

case ROSENBROCK:

rosenbrock(); break;

case RASTRIGRIN:

rastrigrin(); break;

case GRIEWANK:

griewank(); break;

default: break;

}

}

The PSO UPDATE LOCAL BEST State

In this state, the handler routine, as shown in Listing 4.26, first checks whether it’s a

minimization or a maximization problem according to the current PSO’s optimiza-

tion type so that the implementation can be ...