| Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
|---|---|---|---|---|---|---|---|
| Jeff Linderoth | 169996 | 7694 | 7.40075e-04 | open | neos-pseudoapplication-87 | 13216.63396836053* | neos-4531126-vouga.mps.gz |
Detailed explanation of the following tables can be found here.
| Original | Presolved | |
|---|---|---|
| Variables | 169996 | 169898 |
| Constraints | 7694 | 7694 |
| Binaries | 169996 | 169898 |
| Integers | 0 | 0 |
| Continuous | 0 | 0 |
| Implicit Integers | 0 | 0 |
| Fixed Variables | 0 | 0 |
| Nonzero Density | 0.000740075 | 0.000740352 |
| Nonzeroes | 967980 | 967784 |
| Original | Presolved | |
|---|---|---|
| Total | 7694 | 7694 |
| Empty | 0 | 0 |
| Free | 0 | 0 |
| Singleton | 0 | 0 |
| Aggregations | 0 | 0 |
| Precedence | 0 | 0 |
| Variable Bound | 0 | 0 |
| Set Partitioning | 203 | 203 |
| Set Packing | 0 | 0 |
| Set Covering | 0 | 0 |
| Cardinality | 7344 | 7344 |
| Invariant Knapsack | 49 | 49 |
| Equation Knapsack | 0 | 0 |
| Bin Packing | 49 | 49 |
| Knapsack | 0 | 0 |
| Integer Knapsack | 0 | 0 |
| Mixed Binary | 49 | 49 |
| General Linear | 0 | 0 |
| 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 | 1.698970 | ||||
| Constraint % | 1.89758 | 1.98697 | 1.98856 | 2.04055 | |
| Variable % | 1.86347 | 2.04082 | 2.04064 | 2.15953 | |
| Score | 0.953736 |
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 |
|---|---|---|---|---|---|---|---|---|
| 4 | 13216.63 | 1.000000e+100 | 6e-07 | 1.78e-05 | 0 | Alex Fender, Alice Boucher, Akif Coerduek, Piotr Sielski, Burcin Bozkaya, Preethi Maulik | 2025-01-10 | Found using GPU-accelerated MIP in NVIDIA cuOpt |
| 3 | 525030.88 | 5.250309e+05 | 0e+00 | 0.00e+00 | 0 | Michael Winkler | 2022-10-13 | Found with Gurobi 9.5.1 with default parameters on an AMD EPYC 7313P (16 Cores) with 256GB of RAM. |
| 2 | 525053.61 | 0e+00 | 0.00e+00 | 0 | Robert Ashford and Alkis Vazacopoulos | 2019-12-18 | Found using ODH|CPlex | |
| 1 | 544045.07 | 5.440451e+05 | 0e+00 | 0.00e+00 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to neos-4531126-vouga 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| tbfp-network | easy | 72747 | 72747 | 0 | 0 | 2436 | 215837 | Rob Pratt | – | 24.16319444 | benchmark binary benchmark_suitable set_partitioning cardinality |
| supportcase6 | easy | 130052 | 130051 | 1 | 0 | 771 | 584976 | Michael Winkler | – | 51906.47737 | benchmark benchmark_suitable set_partitioning cardinality general_linear |
| s100 | hard | 364417 | 364417 | 0 | 0 | 14733 | 1777917 | Daniel Espinoza | Spinoza | -0.1697235270583 | benchmark binary benchmark_suitable aggregations set_partitioning set_packing cardinality invariant_knapsack knapsack |
| datt256 | open | 262144 | 262144 | 0 | 0 | 11077 | 1503732 | Jon Dattorro | – | no_solution binary set_partitioning cardinality | |
| nu120-pr9 | easy | 7350 | 7308 | 42 | 0 | 2220 | 22176 | MIPLIB submission pool | nus-prxy | 24945 | decomposition numerics aggregations variable_bound cardinality general_linear |
No bibliographic information available