/** Update particle's velocity and position */
public void update(Swarm swarm, Particle particle) {
double position[] = particle.getPosition();
double velocity[] = particle.getVelocity();
double globalBestPosition[] = swarm.getBestPosition();
double particleBestPosition[] = particle.getBestPosition();
// Update velocity and position
for (int i = 0; i < position.length; i++) {
// Update position
position[i] = position[i] + velocity[i];
// Update velocity
velocity[i] =
swarm.getInertia() * velocity[i] // Inertia
+ Math.random()
* swarm.getParticleIncrement()
* (particleBestPosition[i] - position[i]) // Local best
+ Math.random()
* swarm.getGlobalIncrement()
* (globalBestPosition[i] - position[i]); // Global best
}
}
