
 
qiu
| Name | qiu | 
| Download | qiu.mps.gz | 
| Solution | qiu.sol.gz | 
| Set Membership | Benchmark | 
| Problem Status | Easy | 
| Problem Feasibility | Feasible | 
| Originator/Contributor | Y. Chiu, J. Eckstein | 
| Rows | 1192 | 
| Cols | 840 | 
| Num. non-zeros in A | 3432 | 
| Num. non-zeros in c | 312 | 
| Rows/Cols | 1.41904761905 | 
| Integers |  | 
| Binaries | 48 | 
| Continuous | 792 | 
| min nonzero |Aij| | 0.26 | 
| max |Aij| | 22.23 | 
| min nonzero |cj| | 16.947 | 
| max |cj| | 114.034 | 
| Integer Objective | -132.873136947 | 
| LP Objective | -931.638845 | 
| Aggregation |  | 
| Variable Bound | 1056 | 
| Set partitioning |  | 
| Set packing |  | 
| Set covering |  | 
| Cardinality |  | 
| Equality Knapsacks |  | 
| Bin packing |  | 
| Invariant Knapsack |  | 
| Knapsacks |  | 
| Integer Knapsack |  | 
| Mixed 0/1 | 136 | 
| General Cons. |  | 
| References |  |