A Synchronous-Asynchronous Particle Swarm Optimisation Algorithm

Figure 4

Results of experiments on unimodal functions.

(a) Quadric with outliers

(b) Quadric with outliers excluded

(c) Quartic with outliers

(d) Quartic with outliers excluded

(e) Rosenbrock with outliers

(f) Rosenbrock with outliers excluded

(g) Spherical with outliers

(h) Spherical with outliers excluded

(i) Hyperellipsoid with outliers

(j) Hyperellipsoid with outliers excluded