| Name | mzzv11 |
| Download | mzzv11.mps.gz |
| Solution | mzzv11.sol.gz |
| Orginator | Sascha Lukac |
| Formulator | Sascha Lukac |
| Donator | Sascha Lukac |
| Rows | 9499 |
| Cols | 10240 |
| Non-zeros | 134603 |
| Integers | 251 |
| Binaries | 9989 |
| Continuous | |
| |Min| | 1.00000000e+00 |
| |Max| | 1.99900000e+03 |
| Integer Objective | -2.17180000e+04 |
| LP Objective | -2.29452407e+04 |
| Root LP Basis | mzzv11.bas.gz |
| Set partitioning | 1073 |
| Set packing | 5804 |
| Set covering | 28 |
| Cardinality | 2208 |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | 5 |
| Knapsacks | 2 |
| Integer Knapsack | 288 |
| Upper bounds | |
| Lower bounds | |
| Mixed 0/1 | |
| General Cons. | 91 |
| References |
railway slot allocation problem
IP optimum found with CPLEX 8.0 (default settings) on a Alpha EV67 (833Mhz) in 108.8 CPU hours.
IP optimum found with CPLEX 9.0 (default settings) on a Alpha EV67 (833Mhz) in 0.5 CPU hours.
IP optimum found with CPLEX 9.0.3 (default settings) on a 3.4GHz P4EE in 416 seconds.