Research Article
Dynamic Programming and Heuristic for Stochastic Uncapacitated Lot-Sizing Problems with Incremental Quantity Discount
Table 3
Performance of RHH with different (FT, BT).
| Instance | cv | | | DP | RE (%) |
CPU (sec) | RE (%) | CPU (sec) | Value | CPU (sec) |
| | 0.05 | 0.289 | 0.016 | 0.0 | 0.094 | 12968.28 | 0.100 | | 0.15 | 0.168 | 0.015 | 0.0 | 0.110 | 12991.93 | 0.985 | | 0.25 | 0.135 | 0.015 | 0.0 | 0.110 | 13082.23 | 0.969 | | 0.05 | 0.039 | 0.079 | 0.0 | 0.219 | 25694.23 | 4.672 | | 0.15 | 0.015 | 0.079 | 0.0 | 0.219 | 26111.22 | 4.672 | | 0.25 | 0.005 | 0.078 | 0.0 | 0.218 | 26447.11 | 4.703 | | 0.05 | 0.009 | 0.172 | 0.0 | 1.109 | 51470.76 | 22.047 | | 0.15 | 0.008 | 0.172 | 0.0 | 1.109 | 51722.50 | 22.109 | | 0.25 | 0.006 | 0.156 | 0.0 | 1.110 | 52772.90 | 22.172 | | 0.05 | 2.431 | 0.047 | 0.509 | 0.156 | 8322.42 | 0.656 | | 0.15 | 1.529 | 0.031 | 0.195 | 0.125 | 8998.02 | 0.641 | | 0.25 | 1.391 | 0.047 | 0.158 | 0.125 | 9126.63 | 0.640 | | 0.05 | 2.877 | 0.140 | 0.635 | 0.516 | 24898.40 | 7.344 | | 0.15 | 1.869 | 0.125 | 0.409 | 0.516 | 26456.16 | 7.359 | | 0.25 | 1.212 | 0.141 | 0.190 | 0.500 | 27716.36 | 7.375 | | 0.05 | 2.950 | 0.438 | 0.214 | 5.937 | 74120.22 | 81.484 | | 0.15 | 1.879 | 0.453 | 0.064 | 5.969 | 79096.31 | 81.563 | | 0.25 | 1.434 | 0.453 | 0.054 | 6.047 | 82641.24 | 81.844 | | 0.05 | 7.894 | 0.031 | 1.270 | 0.093 | 7814.61 | 0.828 | | 0.15 | 5.590 | 0.016 | 0.783 | 0.093 | 8551.74 | 0.813 | | 0.25 | 4.350 | 0.015 | 0.435 | 0.094 | 9024.62 | 0.812 | | 0.05 | 1.697 | 0.437 | 0.247 | 2.219 | 30614.77 | 16.969 | | 0.15 | 1.001 | 0.453 | 0.075 | 2.234 | 33982.89 | 16.938 | | 0.25 | 0.597 | 0.437 | 0.053 | 2.234 | 36099.06 | 17.032 |
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