Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Gerald Gamrath | 228350 | 126512 | 1.60594e-05 | easy | supplynetworkplanning | 586803238.6567289 | snp-02-004-104.mps.gz |
Supply network planning problems.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 228350 | 197229 |
Constraints | 126512 | 99570 |
Binaries | 167 | 62 |
Integers | 167 | 75 |
Continuous | 228016 | 197092 |
Implicit Integers | 0 | 13 |
Fixed Variables | 1 | 0 |
Nonzero Density | 1.60594e-05 | 2.04224e-05 |
Nonzeroes | 463941 | 401056 |
Original | Presolved | |
---|---|---|
Total | 126512 | 99570 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 21937 | 0 |
Aggregations | 21681 | 20667 |
Precedence | 0 | 0 |
Variable Bound | 1589 | 1331 |
Set Partitioning | 0 | 0 |
Set Packing | 0 | 0 |
Set Covering | 0 | 0 |
Cardinality | 0 | 0 |
Invariant Knapsack | 0 | 0 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 81054 | 77487 |
General Linear | 251 | 85 |
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 | 4.326541 | ||||
Constraint % | 0.00100 | 0.00105 | 0.00100 | 0.187808 | |
Variable % | 0.00101 | 0.00103 | 0.00101 | 0.113850 | |
Score | 0.221779 |
Find solutions below. Download the archive containing all solutions from the Download page.
## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion
ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|
1 | 586803239 | 0 | 0 | 2e-07 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to snp-02-004-104 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
snp-06-004-052 | open | 328461 | 494 | 494 | 327473 | 183168 | 668716 | Gerald Gamrath | supplynetworkplanning | 1869531794.272782* | numerics aggregations variable_bound mixed_binary general_linear |
snp-10-004-052 | open | 538777 | 815 | 815 | 537147 | 300348 | 1097779 | Gerald Gamrath | supplynetworkplanning | 5906642759.088037* | numerics aggregations variable_bound mixed_binary general_linear |
snp-04-052-052 | open | 221438 | 4546 | 4546 | 212346 | 129662 | 459205 | Gerald Gamrath | supplynetworkplanning | 881796534.4480641* | numerics aggregations variable_bound mixed_binary general_linear |
snp-10-052-052 | open | 549021 | 11059 | 11059 | 526903 | 320836 | 1138755 | Gerald Gamrath | supplynetworkplanning | 6059865443.559938* | numerics aggregations variable_bound mixed_binary general_linear |
rentacar | easy | 9557 | 55 | 0 | 9502 | 6803 | 41842 | MIPLIB submission pool | – | 30356760.98379315 | aggregations precedence variable_bound mixed_binary |
No bibliographic information available