Research Article
Robust Optimisation Approach for Vehicle Routing Problems with Uncertainty
Table 3
Relationship between the optimal objective values of CE-SDROA and stochastic optimisation approach.
| Test instances | | | opt |
| SD032-60* | 0.6 | 0.1 | 1128.61 (<CE) | SD032-40* | 0.7 | 0.2 | 876.32 (<CE) | SD048-60* | 0.8 | 0.3 | 4972.36 (<CE) | SD064-35* | 0.9 | 0.4 | 2931.27 (<CE) | SD080-50* | 1.0 | 0.5 | 7527.63 (=CE) | SD120-40* | 1.2 | 0.7 | 10873.69 (>CE) | SD144-30* | 1.3 | 0.8 | 14273.86 (>CE) | SD160-30* | 1.4 | 0.9 | 16523.82 (>CE) | SD240-30* | 1.5 | 1 | 37216.39 (>CE) |
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