| Name | sp97ar |
| Download | sp97ar.mps.gz |
| Solution | sp97ar.sol.gz |
| Orginator | J. W. Goossens, S. van Hoesel, L. Kroon |
| Formulator | J. W. Goossens, S. van Hoesel, L. Kroon |
| Donator | Andrea Lodi |
| Rows | 1761 |
| Cols | 14101 |
| Non-zeros | 290968 |
| Integers | |
| Binaries | 14101 |
| Continuous | |
| |Min| | 1.00000000e+00 |
| |Max| | 2.10000000e+01 |
| Integer Objective | 6.6070564550e+08 |
| LP Objective | 6.52560397e+08 |
| Root LP Basis | sp97ar.bas.gz |
| Set partitioning | |
| Set packing | 1214 |
| Set covering | 129 |
| Cardinality | |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | |
| Knapsacks | 418 |
| Integer Knapsack | |
| Upper bounds | |
| Lower bounds | |
| Mixed 0/1 | |
| General Cons. | |
| References | FischettiLodi2002 GoossensHoeselKroon2001 GoossensHoeselKroon2004 |
railway line planning instance.
Solution reported by Dash Optimization using Xpress-MP 2007A "with tricks" in 6 hours computing time.