ns1760995
benchmark benchmark_suitable precedence variable_bound set_partitioning set_packing cardinality mixed_binary
| Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
|---|---|---|---|---|---|---|---|
| NEOS Server Submission | 17956 | 615388 | 1.67785e-04 | easy | neos-pseudoapplication-12 | -549.21438505 | ns1760995.mps.gz |
Instance coming from the NEOS Server with unknown application. Imported from the MIPLIB2010 submissions.
Location of instance in collection
Instance Statistics
Detailed explanation of the following tables can be found here.
| Original | Presolved | |
|---|---|---|
| Variables | 17956 | 17956 |
| Constraints | 615388 | 615322 |
| Binaries | 17822 | 17822 |
| Integers | 0 | 0 |
| Continuous | 134 | 134 |
| Implicit Integers | 0 | 0 |
| Fixed Variables | 0 | 0 |
| Nonzero Density | 0.000167785 | 0.000167797 |
| Nonzeroes | 1854010 | 1853950 |
| Original | Presolved | |
|---|---|---|
| Total | 615388 | 615322 |
| Empty | 0 | 0 |
| Free | 0 | 0 |
| Singleton | 66 | 0 |
| Aggregations | 0 | 0 |
| Precedence | 198 | 198 |
| Variable Bound | 597303 | 597303 |
| Set Partitioning | 132 | 132 |
| Set Packing | 17556 | 17556 |
| Set Covering | 0 | 0 |
| Cardinality | 1 | 1 |
| Invariant Knapsack | 0 | 0 |
| Equation Knapsack | 0 | 0 |
| Bin Packing | 0 | 0 |
| Knapsack | 0 | 0 |
| Integer Knapsack | 0 | 0 |
| Mixed Binary | 132 | 132 |
| General Linear | 0 | 0 |
| Indicator | 0 | 0 |
Structure
Available nonzero structure and decomposition information. Further information can be found here.
Nonzero entries of original problem
Nonzero entries after trivial presolving
Decomposed structure of original problem (dec-file)
Decomposed structure after trivial presolving (dec-file)
| value | min | median | mean | max | |
|---|---|---|---|---|---|
| Components | 0.845098 | ||||
| Constraint % | 0.000975 | 16.1875 | 11.0294 | 48.5650 | |
| Variable % | 0.033415 | 16.6667 | 11.2135 | 49.9165 | |
| Score | 0.619655 |
Best Known Solution(s)
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 | -549.2144 | -549.2144 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |
Similar instances in collection
The following instances are most similar to ns1760995 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-bigm | hard | 2406 | 2404 | 0 | 2 | 35999 | 74338 | Rob Pratt | – | 24.163194443 | variable_bound set_partitioning |
| neos-5041756-cobark | easy | 60301 | 60000 | 0 | 301 | 30900 | 180900 | Jeff Linderoth | neos-pseudoapplication-12 | Unbounded | decomposition precedence variable_bound set_packing invariant_knapsack mixed_binary |
| neos-3631363-vilnia | hard | 15755 | 755 | 0 | 15000 | 15960 | 112497 | Hans Mittelmann | neos-pseudoapplication-12 | Infeasible | infeasible precedence variable_bound set_packing mixed_binary |
| neos-3695882-vesdre | open | 6135 | 5955 | 0 | 180 | 191504 | 598115 | Hans Mittelmann | neos-pseudoapplication-71 | 518.3505480226543* | decomposition variable_bound set_partitioning cardinality invariant_knapsack knapsack mixed_binary |
| savsched1 | easy | 328575 | 252731 | 0 | 75844 | 295989 | 1770507 | Gerardo Gonzalez | – | 3217.7 | benchmark benchmark_suitable aggregations variable_bound set_packing invariant_knapsack mixed_binary |
Reference
No bibliographic information availableLast Update Mar 04, 2024 by Julian Manns
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