Comparison of objective values obtained by deterministic and robust problems
| Instance | First objective function (min) | Second objective function ($) | Solving time (sec) | Number of established transfer stations | Number of established temporary hospitals | Number of ambulances | Number of helicopters |
|---|---|---|---|---|---|---|---|
| 1 (Deterministic) | 114.113 | 10081.49 | 12.26 | 1 | 1 | 1 | 1 |
| 1 (Robust) | 53.54 | 34420.72 | 15.26 | 2 | 2 | 2 | 1 |
| 2 (Deterministic) | 135.351 | 20202.70 | 34.1 | 2 | 3 | 4 | 1 |
| 2 (Robust) | 29.95 | 57865.72 | 46.15 | 3 | 4 | 7 | 1 |
| 3 (Deterministic) | 123.528 | 30478.42 | 141.54 | 3 | 3 | 10 | 2 |
| 3 (Robust) | 41.66 | 65745.14 | 147.28 | 4 | 4 | 13 | 3 |
| 4 (Deterministic) | 142.04 | 94205.46 | 208.65 | 5 | 8 | 16 | 4 |
| 4 (Robust) | 106.05 | 133844.70 | 249.13 | 5 | 9 | 18 | 5 |
| Instance | First objective function (min) | Second objective function ($) | Solving time (sec) | Number of established transfer stations | Number of established temporary hospitals | Number of ambulances | Number of helicopters |
|---|---|---|---|---|---|---|---|
| 1 (Deterministic) | 114.113 | 10081.49 | 12.26 | 1 | 1 | 1 | 1 |
| 1 (Robust) | 53.54 | 34420.72 | 15.26 | 2 | 2 | 2 | 1 |
| 2 (Deterministic) | 135.351 | 20202.70 | 34.1 | 2 | 3 | 4 | 1 |
| 2 (Robust) | 29.95 | 57865.72 | 46.15 | 3 | 4 | 7 | 1 |
| 3 (Deterministic) | 123.528 | 30478.42 | 141.54 | 3 | 3 | 10 | 2 |
| 3 (Robust) | 41.66 | 65745.14 | 147.28 | 4 | 4 | 13 | 3 |
| 4 (Deterministic) | 142.04 | 94205.46 | 208.65 | 5 | 8 | 16 | 4 |
| 4 (Robust) | 106.05 | 133844.70 | 249.13 | 5 | 9 | 18 | 5 |
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