Optimizing the Joint Replenishment and Channel Coordination Problem under Supply Chain Environment Using a Simple and Effective Differential Evolution Algorithm

Table 6

Parameters for the extended problem.

Parameters		Value
𝑛	Number of materials	10, 30, 50
𝐷𝑖, 𝑖=1,2,…,𝑛	Demand rate	𝑈[6000,15000]
𝑃𝑖, 𝑖=1,2,…,𝑛	Production rate	18000
𝑆𝑖, 𝑖=1,2,…,𝑛	Setup cost of material 𝑖 for the manufacturers	45
𝐹	Major ordering cost for the retailer	30
𝑓𝑖, 𝑖=1,2,…,𝑛	Minor ordering cost of material 𝑖 for the retailer	𝑈[4,12]
𝐻𝑐𝑖,  𝑖=1,2,…,𝑛	Carrying cost rate of material 𝑖 for the retailer	𝑈[4,8]
𝐻𝑠𝑖,  𝑖=1,2,…,𝑛	Carrying cost rate of material 𝑖 for the manufacturers	𝑈[1,2]