Research Article
Expectation-Maximization Algorithm of Gaussian Mixture Model for Vehicle-Commodity Matching in Logistics Supply Chain
Table 4
The operation results of hybrid evolutionary algorithm in four cases.
| ā | Situation 1 | Situation 2 | Situation 3 | Situation 4 | Cost ($) | Error (%) | Time (s) | Cost ($) | Error (%) | Time (s) | Cost ($) | Error (%) | Time (s) | Cost ($) | Error (%) | Time (s) |
| 1 | 392 | 4.25 | 271.16 | 330 | 2.55 | 330.19 | 305 | 2.04 | 363.21 | 379 | 1.43 | 381.37 | 2 | 401 | 3.33 | 283.54 | 801 | 2.00 | 337.85 | 481 | 1.60 | 371.63 | 321 | 1.12 | 390.21 | 3 | 492 | 4.87 | 290.39 | 472 | 2.92 | 348.47 | 103 | 2.34 | 383.31 | 310 | 1.64 | 402.48 | 4 | 556 | 4.97 | 265.88 | 603 | 2.98 | 314.26 | 494 | 2.39 | 345.68 | 506 | 1.67 | 362.97 | 5 | 803 | 5.61 | 277.56 | 430 | 3.37 | 335.47 | 529 | 2.69 | 369.02 | 181 | 1.88 | 387.47 | 6 | 537 | 4.26 | 283.17 | 235 | 2.56 | 336.20 | 678 | 2.04 | 369.82 | 627 | 1.43 | 388.32 | Ave | 530 | 4.55 | 278.62 | 479 | 2.73 | 333.74 | 432 | 2.18 | 367.11 | 387 | 1.53 | 385.47 |
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