Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
Gerald Gamrath | 538777 | 300348 | 6.78393e-06 | open | supplynetworkplanning | 5906642759.088037* | snp-10-004-052.mps.gz |
Supply network planning problems.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 538777 | 445460 |
Constraints | 300348 | 225243 |
Binaries | 815 | 323 |
Integers | 815 | 399 |
Continuous | 537147 | 444738 |
Implicit Integers | 0 | 76 |
Fixed Variables | 1 | 0 |
Nonzero Density | 6.78393e-06 | 9.05138e-06 |
Nonzeroes | 1097780 | 908186 |
Original | Presolved | |
---|---|---|
Total | 300348 | 225243 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 53012 | 0 |
Aggregations | 51917 | 47252 |
Precedence | 0 | 0 |
Variable Bound | 4753 | 3595 |
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 | 189561 | 173988 |
General Linear | 1105 | 408 |
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 | 5906642759 | 1e+100 | 0 | 1e-06 | 4.00e-07 | Mars Davletshin | 2024-10-23 | It was obtained with OptVerse using LNS. |
2 | 5906642768 | 0 | 0e+00 | 5.60e-06 | Michael Winkler | 2024-01-16 | Found with Gurobi 11.0.0 on AMD EPYC 7313P 16-Core Processor with 264075352 kB memory. | |
1 | 5906642866 | 0 | 0e+00 | 2.33e-05 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to snp-10-004-052 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-10-052-052 | open | 549021 | 11059 | 11059 | 526903 | 320836 | 1138755 | Gerald Gamrath | supplynetworkplanning | 6059865443.559938* | numerics aggregations variable_bound mixed_binary general_linear |
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-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 | 881796534.4480641* | 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