Research Article

An Improved Grey Wolf Optimization Algorithm with Variable Weights

Table 2

Benchmark functions to be fitted.

LabelFunction nameExpressionsDomain [lb, ub]

F1De Jong’s sphere[−100, 100]
F2Schwefel’s problems 2.22[−100, 100]
F3Schwefel’s problem 1.2[−100, 100]
F4Schwefel’s problem 2.21[−100, 100]
F5Chung Reynolds function[−100, 100]
F6Schwefel’s problem 2.20[−100, 100]
F7Csendes function[−1, 1]
F8Exponential function[−1, 1]
F9Griewank’s function[−100, 100]
F10Salomon function[−100, 100]
F11Zakharov function[−5, 10]