Table 5.
Objective values and solution time of 10-farm cases from period 12 to period 18.
| Objective value (unit cost) |
Solution time (sec.) |
||||||
|---|---|---|---|---|---|---|---|
| Problem Instances | Period | Lingo (LB) | Lingo (UB) | OPT | HEU | Lingo (UB) | HEU |
| 10F–12P | 12 | 624411 | 624411 | 624411 | 624411 | 31 | 47 |
| 10F–13P | 13 | 557160 | 557160 | 557160 | 557160 | 113 | 77 |
| 10F–14P | 14 | 633693 | 633693 | 633693 | 633693 | 378 | 79 |
| 10F–15P | 15 | 605843 | 605843 | 605843 | 606582 | 662 | 107 |
| 10F–16P | 16 | 542424 | 550939 | a | 552146 | 3715 | 221 |
| 10F–17P | 17 | 495584 | 518455 | a | 515558 | 5960 | 357 |
| 10F–18P | 18 | 493273 | 512845 | a | 509247 | 5959 | 1767 |
a
No optimal solution found within 2 h.