Particle Swarm Optimization Based on Local Attractors of Ordinary Differential Equation System

Table 2

Mean best fitness values and standard deviation for the sphere function.

PDF	Dim.
			Mean best	Standard deviation	Mean best	Standard deviation	Mean best	Standard deviation
()	10	1000
	20	1500
	30	2000
()	10	1000
	20	1500
	30	2000
()	10	1000
	20	1500
	30	2000
()	10	1000
	20	1500
	30	2000
()	10	1000	1.18E  −  27	6.19E  −  27	8.47E  −  40	5.82E  −  39	8.09E  −  53	5.23E  −  52
	20	1500	1.16E  −  14	4.48E  −  14	1.47E  −  23	7.46E  −  23	1.04E  −  31	3.46E  −  31
	30	2000	7.16E  −  09	4.01E  −  08	2.73E  −  16	6.02E  −  16	9.68E  −  22	3.07E  −  21
()	10	1000
	20	1500
	30	2000