| Name | glass4 |
| Download | glass4.mps.gz |
| Solution | glass4.sol.gz |
| Set Membership | Benchmark Tree |
| Problem Status | Easy |
| Problem Feasibility | Feasible |
| Originator/Contributor | I. Luzzi |
| Rows | 396 |
| Cols | 322 |
| Num. non-zeros in A | 1815 |
| Num. non-zeros in c | 19 |
| Rows/Cols | 1.2298136646 |
| Integers | |
| Binaries | 302 |
| Continuous | 20 |
| min nonzero |Aij| | 1 |
| max |Aij| | 8400000 |
| min nonzero |cj| | 1 |
| max |cj| | 1000000 |
| Integer Objective | 1200012600 |
| LP Objective | 800002400 |
| Aggregation | |
| Variable Bound | 9 |
| Set partitioning | 36 |
| Set packing | |
| Set covering | |
| Cardinality | |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | |
| Knapsacks | |
| Integer Knapsack | |
| Mixed 0/1 | 351 |
| General Cons. | |
| References |