| Name | qiu |
| Download | qiu.mps.gz |
| Solution | qiu.sol.gz |
| Orginator | Yu-Ping Chiu |
| Formulator | Yu-Ping Chiu |
| Donator | Jonathan Eckstein |
| Rows | 1192 |
| Cols | 840 |
| Non-zeros | 3432 |
| Integers | |
| Binaries | 48 |
| Continuous | |
| |Min| | 2.60000000e-01 |
| |Max| | 2.22300000e+01 |
| Integer Objective | -1.32873137e+02 |
| LP Objective | -9.31638845e+02 |
| Root LP Basis | qiu.bas.gz |
| Set partitioning | |
| Set packing | |
| Set covering | |
| Cardinality | |
| Equality Knapsacks | |
| Bin packing | |
| Invariant Knapsack | |
| Knapsacks | |
| Integer Knapsack | |
| Upper bounds | |
| Lower bounds | 528 |
| Mixed 0/1 | 664 |
| General Cons. | |
| References | Eckstein1994a Eckstein1994b Eckstein1994c AchterbergKochMartin2005 |
fiber-optic network design, logical SONET ring level