Multi-Item Multiperiodic Inventory Control Problem with Variable Demand and Discounts: A Particle Swarm Optimization Algorithm

Table 4

The parameters of the two algorithms and their levels.

Algorithms	Factors	Levels [1,2,3]
MOPSO	𝐶1 (A)	[1.5,2,2.5]
	𝐶2 (B)	[1.5,2,2.5]
	Pop(𝐶)	[20,30,40]
	Gen(𝐷)	[100,200,500]
MOGA	𝑃𝐶 (A)	[0.5,0.6,0.7]
	𝑃𝑚 (B)	[0.08,0.1,0.2]
	Pop(𝐶)	[30,40,50]
	Gen(𝐷)	[200,300,500]