Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
NEOS Server Submission | 360822 | 13895 | 1.1338e-04 | hard | neos-pseudoapplication-67 | 162 | ns1111636.mps.gz |
Network routing problem. Solved in June 2013 by CPLEX 12.5.1 with 32 threads in about 102 hours. Imported from MIPLIB2010.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 360822 | 360822 |
Constraints | 13895 | 13893 |
Binaries | 13200 | 13200 |
Integers | 0 | 0 |
Continuous | 347622 | 347622 |
Implicit Integers | 0 | 0 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.000113380 | 0.000113237 |
Nonzeroes | 568444 | 567644 |
Original | Presolved | |
---|---|---|
Total | 13895 | 13893 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 0 | 0 |
Aggregations | 0 | 0 |
Precedence | 0 | 0 |
Variable Bound | 0 | 0 |
Set Partitioning | 0 | 4400 |
Set Packing | 440 | 440 |
Set Covering | 0 | 0 |
Cardinality | 4400 | 0 |
Invariant Knapsack | 11 | 11 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 11 | 11 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 9033 | 9031 |
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 | 1.612784 | ||||
Constraint % | 2.45447 | 2.45447 | 2.45447 | 2.45447 | |
Variable % | 2.49985 | 2.49985 | 2.49985 | 2.49985 | |
Score | 0.957246 |
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 | 164 | 164 | 0 | 0 | 0 | - | 2018-10-10 | Solution found during MIPLIB2017 problem selection. |
The following instances are most similar to ns1111636 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
dano3mip | open | 13873 | 552 | 0 | 13321 | 3202 | 79655 | Daniel Bienstock | dano | 664.0208333333334* | variable_bound cardinality mixed_binary |
dano3_5 | easy | 13873 | 115 | 0 | 13758 | 3202 | 79655 | Daniel Bienstock | dano | 576.9249159565619 | benchmark benchmark_suitable variable_bound cardinality mixed_binary |
dano3_3 | easy | 13873 | 69 | 0 | 13804 | 3202 | 79655 | Daniel Bienstock | dano | 576.34463303 | benchmark benchmark_suitable variable_bound cardinality mixed_binary |
irish-electricity | easy | 61728 | 9888 | 0 | 51840 | 104259 | 523257 | Paula Carroll | – | 3723497.591396 | benchmark benchmark_suitable precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary |
neos-824661 | easy | 45390 | 15640 | 0 | 29750 | 18804 | 138890 | NEOS Server Submission | neos-pseudoapplication-93 | 33 | decomposition benchmark_suitable set_partitioning set_packing cardinality binpacking mixed_binary |
@misc{neos,
key = {zzz neos},
note = {http://www.neos-server.org},
title = {{NEOS} {S}erver for {O}ptimization},
year = {2011}
}