Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
MIPLIB submission pool | 1541 | 456 | 5.9969e-03 | easy | – | 16029.692681 | qnet1_o.mps.gz |
Imported from the MIPLIB2010 submissions.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 1541 | 1541 |
Constraints | 456 | 456 |
Binaries | 1288 | 1288 |
Integers | 129 | 129 |
Continuous | 124 | 124 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.0059969 | 0.0059969 |
Nonzeroes | 4214 | 4214 |
Original | Presolved | |
---|---|---|
Total | 456 | 456 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 0 | 0 |
Aggregations | 87 | 87 |
Precedence | 32 | 32 |
Variable Bound | 32 | 32 |
Set Partitioning | 48 | 48 |
Set Packing | 0 | 0 |
Set Covering | 0 | 0 |
Cardinality | 160 | 160 |
Invariant Knapsack | 0 | 0 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 0 | 0 |
General Linear | 97 | 97 |
Indicator | 0 | 0 |
Available nonzero structure and decomposition information. Further information can be found here.
Decomposed structure of original problem (dec-file)
Decomposed structure after trivial presolving (dec-file)
value | min | median | mean | max | |
---|---|---|---|---|---|
Components | 1.681241 | ||||
Constraint % | 0.219298 | 1.67507 | 1.75439 | 5.48246 | |
Variable % | 0.129786 | 1.97440 | 2.79040 | 4.73718 | |
Score | 0.756681 |
Find solutions below. Download the archive containing all solutions from the Download page.
ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|
1 | 16029.69 | 16029.69 | 0 | 4.6e-05 | 8.1e-05 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to qnet1_o in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.
Instance | Status | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Objective | Tags |
---|---|---|---|---|---|---|---|---|---|---|---|
qnet1 | easy | 1541 | 1288 | 129 | 124 | 503 | 4622 | MIPLIB submission pool | – | 16029.69268099998 | aggregations precedence variable_bound set_partitioning set_covering cardinality general_linear |
rococoB10-011000 | easy | 4456 | 4320 | 136 | 0 | 1667 | 16517 | A. Chabrier, E. Danna, C. Le Pape, L. Perron | rococo | 19449 | benchmark decomposition benchmark_suitable precedence set_partitioning cardinality general_linear |
rococoC11-011100 | easy | 6491 | 6325 | 166 | 0 | 2367 | 30472 | A. Chabrier, E. Danna, C. Le Pape, L. Perron | rococo | 20889 | decomposition benchmark_suitable aggregations precedence set_partitioning cardinality invariant_knapsack general_linear |
rococoC10-001000 | easy | 3117 | 2993 | 124 | 0 | 1293 | 11751 | A. Chabrier, E. Danna, C. Le Pape, L. Perron | rococo | 11460 | benchmark benchmark_suitable precedence set_partitioning cardinality general_linear |
rococoC11-010100 | hard | 12321 | 12155 | 166 | 0 | 4010 | 46955 | A. Chabrier, E. Danna, C. Le Pape, L. Perron | rococo | 20889 | decomposition aggregations precedence set_partitioning cardinality invariant_knapsack general_linear |
No bibliographic information available