A New Chaotic Starling Particle Swarm Optimization Algorithm for Clustering Problems

Table 6

Best fitness function values obtained by different algorithms for the test functions.

Function		PSO	FER-PSO	SPSO	CSPSO
Sphere	10	0	0	0	0
	20	0.5285	0.1613	8.2232e-12	0
	30	2.4235	0.8891	5.1645e-12	0
Rastrigin	10	0.0727	0.03647	0	0
	20	0.3595	0.1895	0	0
	30	1.0374	0.4847	0	0
Griewank	10	0.5965	0.1135	0	0
	20	1.4575	1.0994	0	0
	30	3.2947	1.6874	0	0
Rosenbrock	10	6.3220	6.8162	5.2486	0.7037
	20	19.8643	19.2219	18.7899	9.8431
	30	38.1130	33.7894	28.7863	18.6928