Designing a Multistage Supply Chain in Cross-Stage Reverse Logistics Environments: Application of Particle Swarm Optimization Algorithms

Table 11

Multiple comparison on convergence time.

	𝐶𝑇GA	𝐶𝑇PSOA_IWM	𝐶𝑇PSOA_VMM
𝐶𝑇PSOA_IWM	(+, +)
𝐶𝑇PSOA_VMM	(+, +)	(−, −)
𝐶𝑇PSOA_CFM	(+, +)	(−, −)	(−, −)