| Name | mzzv42z |
| Download | mzzv42z.mps.gz |
| Solution | mzzv42z.sol.gz |
| Orginator | Sascha Lukac |
| Formulator | Sascha Lukac |
| Donator | Sascha Lukac |
| Rows | 10460 |
| Cols | 11717 |
| Non-zeros | 151261 |
| Integers | 235 |
| Binaries | 11482 |
| Continuous | |
| |Min| | 1.00000000e+00 |
| |Max| | 1.11700000e+03 |
| Integer Objective | -2.05400000e+04 |
| LP Objective | -2.16229985e+04 |
| Root LP Basis | mzzv42z.bas.gz |
| Set partitioning | 2157 |
| Set packing | 5684 |
| Set covering | |
| Cardinality | 2262 |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | |
| Knapsacks | |
| Integer Knapsack | 274 |
| Upper bounds | |
| Lower bounds | |
| Mixed 0/1 | |
| General Cons. | 83 |
| References |
railway slot allocation problem
IP optimum found with CPLEX 8.0 (default settings) on a Alpha EV67 (833Mhz) in 4.0 CPU hours.
IP optimum found with CPLEX 9.0 (default settings) on a Alpha EV67 (833Mhz) in 2.5 CPU minutes.
IP optimum found with CPLEX 9.0.3 (default settings) on a 3.4GHz P4EE in 82 seconds.