A Multifactory Integrated Production and Distribution Scheduling Problem with Parallel Machines and Immediate Shipments Solved by Improved Whale Optimization Algorithm

Table 3

Parameters of metaheuristic algorithms.

Algorithm	Parameters	Small-scale	Medium- and large-scale
IWOA, WOA		40	80
		300	500
		6	10
GA (GA-MPC)		40	80
		200	300
		0.6 (0.5)	0.6 (0.5)
		0.4 (0.5)	0.4 (0.5)
PSO		40	80
		200	300
		0.3	0.3
		3	3
		3	3