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Table 6 Results of the instances

From: Managing daily surgery schedules in a teaching hospital: a mixed-integer optimization approach

Instance CPU time (s) Total cost (€) Integer variables Continuous variables Constraints Nodes Iterations
1 3.8 3,400 33 15 140 10,552 36,167
2 3.5 2,850 65 19 357 5,812 26,076
3 4.7 3,258 90 20 510 4,734 21,390
4 140 5,100 119 21 691 224,573 948,271
5 456.3 3,650 152 22 900 558,804 2,984,012
6 1,720.1 4,183 387 28 3,013 1213370 5,627,758