A Synchronous-Asynchronous Particle Swarm Optimisation Algorithm

Figure 7

Effect of number of groups and group size.

(a) Quadric

(b) Quadric without outliers

(c) Quartic

(d) Rosenbrock

(e) Spherical

(f) Hyperellipsoid

(g) Hyperellipsoid without outliers

(h) Ackley

(i) Ackley without outliers

(j) Griewank

(k) Rastrigin

(l) Salomon