Research Article
A Two-Stage Algorithm for the Closed-Loop Location-Inventory Problem Model Considering Returns in E-Commerce
Table 5
Optimal objective function values of two algorithms.
| Instance | Algorithm | Max | Min | Mean | Standard deviation | Coefficient of variation |
| Srivastava 86-8×2 | AC | 402316 | 336543 | 365784 | 196736 | 0.537847 | LRCAC | 355215 | 306842 | 335765 | 158962 | 0.473432 |
| Perl 183-12×2 | AC | 598173 | 528538 | 563184 | 257649 | 0.457486 | LRCAC | 553785 | 498037 | 528764 | 149717 | 0.283145 |
| Christofides 69-50×5 | AC | 696271 | 620975 | 667864 | 456287 | 0.683203 | LRCAC | 633762 | 582867 | 619458 | 287392 | 0.4639411 |
| Christofides 69-75×10 | AC | 890756 | 821789 | 867246 | 564782 | 0.651236 | LRCAC | 843685 | 783804 | 810473 | 395647 | 0.488168 |
| Daskin 95-88×8 | AC | 1102873 | 898483 | 926586 | 537862 | 0.5804771 | LRCAC | 921587 | 873672 | 896926 | 407816 | 0.4546819 |
| Daskin 95-150×10 | AC | 1516428 | 1256731 | 1478356 | 624638 | 0.422522 | LRCAC | 1258904 | 1078396 | 1157832 | 428373 | 0.3699785 |
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