| Name | sing2 |
| Download | sing2.mps.gz |
| Set Membership | Challenge |
| Problem Status | Open |
| Problem Feasibility | Feasible |
| Originator/Contributor | D. Espinoza |
| Rows | 28891 |
| Cols | 31630 |
| Num. non-zeros in A | 149712 |
| Num. non-zeros in c | 13486 |
| Rows/Cols | 0.913404995258 |
| Integers | |
| Binaries | 23377 |
| Continuous | 8253 |
| min nonzero |Aij| | 0.36 |
| max |Aij| | 400 |
| min nonzero |cj| | 0.353573 |
| max |cj| | 16460.92 |
| Integer Objective | Unknown |
| LP Objective | 17150914.71694 |
| Aggregation | 1493 |
| Variable Bound | 16170 |
| Set partitioning | 5078 |
| Set packing | |
| Set covering | |
| Cardinality | 5982 |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | |
| Knapsacks | |
| Integer Knapsack | |
| Mixed 0/1 | 168 |
| General Cons. | |
| References |
Unit commitment problems (electricity production planning problems) coming from the Chilean electricity system, they have either one or two week planning horizons, and include constraints on minimum on-off time for the power plants, ensure some reserve energy in the system, and minimize global operation costs.