Research Article
A Hybrid Approach to Solve a Model of Closed-Loop Supply Chain
Table 4
Levels of algorithm parameters.
| ā | Parameter | 1 | 2 | 3 |
| Genetic algorithm | : crossover percentage | 0.4 | 0.6 | 0.8 | : mutation percentage | 0.1 | 0.2 | 0.3 | : number of GA iterations | 50 | 100 | 150 | : population size | 50 | 70 | 100 |
| Firefly algorithm | : number of fireflies | 100 | 150 | 200 | : light absorption coefficient | 0.01 | 50 | 100 | : mutation coefficient | 0.2 | 0.4 | 0.8 | : number of FF iterations | 50 | 100 | 150 |
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