Research Article
Production Scheduling and Customer Orders Assignment in a Three-Level Supply Chain
Table 13
Performance analysis of small sized unbalanced problems.
| Problem specifications | Unbalanced problems | | | | Example number | Optimal solution | SA | VNS | Objective function | PRD | Objective function | PRD |
| 2 | 4 | 10 | 1 | 136.64 | 149.6 | 9.48 | 151.09 | 10.58 | 2 | 4 | 10 | 2 | 128.22 | 143.14 | 11.64 | 132.48 | 3.32 | 2 | 6 | 10 | 1 | 354.76 | 369.02 | 9.86 | 345.77 | 2.94 | 2 | 6 | 10 | 2 | 171.87 | 186.98 | 8.79 | 181.32 | 5.5 | 2 | 4 | 20 | 1 | 649.66 | 731.2 | 12.55 | 724.54 | 11.53 | 2 | 4 | 20 | 2 | 522.95 | 571.56 | 9.3 | 542 | 3.64 | 2 | 6 | 20 | 1 | 833.32 | 903.25 | 8.39 | 893.01 | 7.16 | 2 | 6 | 20 | 2 | 649.20 | 688.58 | 6.07 | 653.41 | 0.65 |
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