Modified Grey Wolf Optimizer for Global Engineering Optimization

Table 4

Composite benchmark functions.

Function	Dim	Range
(CF1):	10	[−5, 5]	0
= Rastrigin’s function
= Weierstrass’ function
= Griewank’s function
= Ackley’s function
= sphere function
(CF2):				10	[−5, 5]	0
= Ackley’s function
= Rastrigin’s function
= sphere function
= Weierstrass’s function
= Griewank’s function
(CF3):	10	[−5, 5]	0
= expanded Schaffer Rosenbrock’s function
= Rastrigin’s function
= expanded Griewank’s and Rosenbrock’s function
= Weierstrass’s function
= Griewank’s function
(CF4):				10	[−5, 5]	0
= Weierstrass’s function
= expanded Schaffer Rosenbrock’s function
= expanded Griewank’s and Rosenbrock’s function
= Ackley’s function
= Rastrigin’s function
= Griewank’s function
= expanded Schaffer Rosenbrock’s noncont function
= Rastrigin’s noncont function
= elliptic function
= sphere noise function