The Expanded Invasive Weed Optimization Metaheuristic for Solving Continuous and Discrete Optimization Problems

Table 4

The parameters of IWO used for minimization of Griewank and Rastrigin functions.

Description	Value
Population cardinality	20
Number of iterations (stop criterion)	{100, 500, 2000, 5000, 10000, 20000}
Initialization of the first population	Random
Maximum number of seeds sowed by a weed 𝑆max	3
Minimum number of seeds sowed by a weed 𝑆min	0
Initial value of standard deviation 𝜎init	10
Final value of standard deviation 𝜎fin	0.02
Nonlinear modulation factor 𝑚	3
Selection method	Global