Research Article
Solving a Closed-Loop Location-Inventory-Routing Problem with Mixed Quality Defects Returns in E-Commerce by Hybrid Ant Colony Optimization Algorithm
Table 5
Results with different L (cost: million CNY; iterations: times).
| | Cost | Iterations | Mean | Std. dev. | C.V. | Mean | Std. dev. | C.V. |
| 50 | ACO | 31.99 | 0.72 | 0.0224 | 159.72 | 33.39 | 0.21 | HACO | 33.07 | 1.22 | 0.0369 | 123.7 | 25.96 | 0.2098 | 100 | ACO | 31.9 | 0.67 | 0.0209 | 159.8 | 30.73 | 0.19 | HACO | 32.88 | 1.09 | 0.033 | 121.63 | 18.91 | 0.1555 | 150 | ACO | 32.22 | 0.74 | 0.0229 | 157.19 | 40.58 | 0.2581 | HACO | 33.02 | 1.05 | 0.0319 | 121.14 | 23.2 | 0.1915 | 200 | ACO | 32.11 | 0.8 | 0.0251 | 167.66 | 38.61 | 0.23 | HACO | 32.9 | 1.12 | 0.0339 | 120.8 | 22.05 | 0.1825 | 250 | ACO | 32.08 | 0.87 | 0.0271 | 164.08 | 34.16 | 0.21 | HACO | 33.1 | 1.09 | 0.033 | 121.87 | 28.95 | 0.2376 |
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