Research Article
Hybrid Electromagnetism-Like Algorithm for Dynamic Supply Chain Network Design under Traffic Congestion and Uncertainty
Table 7
The comparison of the algorithms regarding the objective function and computational time.
| | Problem | Algorithm | OBJ | TIME | OBJ GAP | CPU GAP |
| | Small | EMA-SA | 30203.0 | 83.15 | 0.000% | 18.055% | | EMA | 39772.9 | 68.13 | 24.061% | 0.000% | | EMA-VNS | 30276.3 | 108.82 | 0.242% | 37.388% | | EMA-TS | 36967.8 | 75.91 | 18.299% | 10.238% |
| | Medium | EMA-SA | 112212.6 | 1499.71 | 0.242% | 12.167% | | EMA | 123348.4 | 1317.24 | 9.248% | 0.000% | | EMA-VNS | 111941.0 | 1541.92 | 0.000% | 14.571% | | EMA-TS | 121293.9 | 1493.37 | 7.711% | 11.794% |
| | Large | EMA-SA | 237645.1 | 9048.42 | 0.004% | 15.623% | | EMA | 250421.9 | 7634.80 | 5.106% | 0.000% | | EMA-VNS | 237636.1 | 9825.95 | 0.000% | 22.300% | | EMA-TS | 247392.1 | 10963.4 | 3.944% | 30.362% |
| | All | EMA-SA | 124831.5 | 3477.21 | 0.053% | 15.156% | | EMA | 135961.7 | 2950.21 | 8.235% | 0.000% | | EMA-VNS | 124765.1 | 3754.09 | 0.000% | 21.413% | | EMA-TS | 133328.5 | 4090.02 | 6.423% | 27.868% |
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