Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Gerald Gamrath | 328461 | 183168 | 1.1115e-05 | open | supplynetworkplanning | 1869531794.272782* | snp-06-004-052.mps.gz |
Supply network planning problems.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 328461 | 272479 |
Constraints | 183168 | 137815 |
Binaries | 494 | 212 |
Integers | 494 | 263 |
Continuous | 327473 | 272004 |
Implicit Integers | 0 | 51 |
Fixed Variables | 1 | 0 |
Nonzero Density | 1.11150e-05 | 1.47789e-05 |
Nonzeroes | 668716 | 554974 |
Original | Presolved | |
---|---|---|
Total | 183168 | 137815 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 32340 | 0 |
Aggregations | 31748 | 28972 |
Precedence | 0 | 0 |
Variable Bound | 2860 | 2183 |
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 | 115540 | 106379 |
General Linear | 680 | 281 |
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 | |||||
Constraint % | |||||
Variable % | |||||
Score |
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 |
---|---|---|---|---|---|---|---|---|
3 | 1869531794 | 1e+100 | 0 | 1e-06 | 0.0000001 | Mars Davletshin | 2024-07-12 | Obtained by OptVerse solver |
2 | 1869531823 | 1e+100 | 0 | 0e+00 | 0.0000044 | Dongdong Wan | 2024-07-01 | Taylor Solver - Taylor Lab of Huawei Solver |
1 | 1869531920 | 0 | 0e+00 | 0.0004311 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to snp-06-004-052 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-10-004-052 | open | 538777 | 815 | 815 | 537147 | 300348 | 1097779 | Gerald Gamrath | supplynetworkplanning | 5906642768.072535* | numerics aggregations variable_bound mixed_binary general_linear |
snp-02-004-104 | easy | 228350 | 167 | 167 | 228016 | 126512 | 463941 | Gerald Gamrath | supplynetworkplanning | 586803238.6567289 | benchmark benchmark_suitable aggregations variable_bound mixed_binary general_linear |
snp-04-052-052 | open | 221438 | 4546 | 4546 | 212346 | 129662 | 459205 | Gerald Gamrath | supplynetworkplanning | 881873004.9624411* | 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 |
cost266-UUE | easy | 4161 | 171 | 0 | 3990 | 1446 | 12312 | MIPLIB submission pool | network_design | 25148940.55999998 | benchmark decomposition benchmark_suitable aggregations set_packing mixed_binary |
No bibliographic information available