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 instancesopt

SD032-60*0.60.11128.61 (<CE)
SD032-40*0.70.2876.32 (<CE)
SD048-60*0.80.34972.36 (<CE)
SD064-35*0.90.42931.27 (<CE)
SD080-50*1.00.57527.63 (=CE)
SD120-40*1.20.710873.69 (>CE)
SD144-30*1.30.814273.86 (>CE)
SD160-30*1.40.916523.82 (>CE)
SD240-30*1.5137216.39 (>CE)