Grey Wolf Optimizer Based on Powell Local Optimization Method for Clustering Analysis

Table 1

Benchmark functions.

Functions	Name	Dim	Range
	Sphere	30	100, 100	0
	Rosenbrock	30	30, 30	0
	Ackley	30	32, 32	0
	Penalized	30	50, 50	0
					Penalized 2	30	50, 50	0
									Kowalik	4	5, 5	0.0003075
					Goldstein-Price	2	2, 2	3