Research Article
Metaheuristic Algorithm for Solving Biobjective Possibility Planning Model of Location-Allocation in Disaster Relief Logistics
Table 6
The optimum factor for genetic algorithm and simulated annealing.
| | | Problem size | Factors | Level 1 | Level 2 | Level 3 | Optimum factor |
| Genetic algorithm | Mean / ratio | Small | | −4.0524 | −3.9078 | −3.6780 | | | −4.5873 | −3.7776 | −3.2731 | | | −3.9725 | −3.9144 | −3.7512 | | | −4.0079 | −3.7381 | −3.8921 | | Large | | −5.5750 | −5.4837 | −5.4807 | | | −6.0750 | −5.4906 | −4.9739 | | | −5.6615 | −5.4169 | −5.4610 | | | −5.5713 | −5.3525 | −5.6156 | | Mean objective function | Small | | 0.6301 | 0.6395 | 0.6558 | | | 0.5914 | 0.6479 | 0.6861 | | | 0.6360 | 0.6391 | 0.6502 | | | 0.6334 | 0.6514 | 0.6405 | | Large | | 0.5286 | 0.5339 | 0.5345 | | | 0.4995 | 0.5323 | 0.5641 | | | 0.5235 | 0.5380 | 0.5345 | | | 0.5290 | 0.5412 | 0.5258 | |
| Simulated annealing | Mean / ratio | Small | | −4.1877 | −4.0033 | −3.7003 | | | −4.1164 | −3.9694 | −3.8055 | | | −4.1038 | −3.7080 | −4.0795 | | | −4.4123 | −4.0730 | −3.4060 | | Large | | −6.4144 | −6.0149 | −5.4369 | | | −6.2095 | −6.0824 | −5.5743 | | | −5.9112 | −5.8779 | −6.0771 | | | −6.3202 | −5.8310 | −5.7150 | | Mean objective function | Small | | 0.6209 | 0.6327 | 0.6544 | | | 0.6262 | 0.6353 | 0.6464 | | | 0.6272 | 0.6537 | 0.6270 | | | 0.6048 | 0.6272 | 0.6760 | | Large | | 0.4817 | 0.5032 | 0.5351 | | | 0.4925 | 0.5006 | 0.5269 | | | 0.5100 | 0.5108 | 0.4993 | | | 0.4880 | 0.5131 | 0.5189 | |
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