Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|

NEOS Server Submission | 2883 | 4289 | 6.61098e-03 | easy | neos-pseudoapplication-108 | 2 | ns1208400.mps.gz |

Instance coming from the NEOS Server with unknown application Imported from MIPLIB2010.

Detailed explanation of the following tables can be found here.

Original | Presolved | |
---|---|---|

Variables | 2883 | 2597 |

Constraints | 4289 | 1981 |

Binaries | 2880 | 2596 |

Integers | 0 | 1 |

Continuous | 3 | 0 |

Implicit Integers | 0 | 1 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00661098 | 0.01431020 |

Nonzeroes | 81746 | 73621 |

Original | Presolved | |
---|---|---|

Total | 4289 | 1981 |

Empty | 2304 | 0 |

Free | 0 | 0 |

Singleton | 1 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 229 | 228 |

Set Partitioning | 336 | 336 |

Set Packing | 0 | 0 |

Set Covering | 492 | 492 |

Cardinality | 0 | 0 |

Invariant Knapsack | 396 | 396 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 531 | 528 |

General Linear | 0 | 1 |

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 | 1.146128 | ||||

Constraint % | 1.009590 | 2.42302 | 1.009590 | 19.3841 | |

Variable % | 0.770119 | 7.68935 | 0.770119 | 90.7201 | |

Score | 0.138206 |

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 |
---|---|---|---|---|---|---|---|---|

2 | 2 | 0 | 0 | 0 | - | 2018-10-12 | Solution imported from MIPLIB2010. | |

1 | 2 | 0 | 0 | 0 | - | 2018-10-12 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to ns1208400 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

mitre | easy | 10724 | 10724 | 0 | 0 | 2054 | 39704 | MIPLIB submission pool | – | 115154.9999999991 | binary decomposition set_partitioning set_covering invariant_knapsack mixed_binary |

neos6 | easy | 8786 | 8340 | 0 | 446 | 1036 | 251946 | NEOS Server Submission | neos-pseudoapplication-47 | 83 | benchmark_suitable set_packing set_covering invariant_knapsack knapsack mixed_binary |

neos-911970 | easy | 888 | 840 | 0 | 48 | 107 | 3408 | NEOS Server Submission | neos-pseudoapplication-70 | 54.76 | benchmark benchmark_suitable set_partitioning set_covering mixed_binary |

misc07 | easy | 260 | 259 | 0 | 1 | 212 | 8619 | MIPLIB submission pool | misc | 2810 | set_partitioning set_packing set_covering cardinality invariant_knapsack binpacking general_linear |

prod1 | easy | 250 | 149 | 0 | 101 | 208 | 5350 | MIPLIB submission pool | – | -56 | benchmark_suitable variable_bound set_partitioning set_covering mixed_binary |

```
@misc{neos,
key = {zzz neos},
note = {http://www.neos-server.org},
title = {{NEOS} {S}erver for {O}ptimization},
year = {2011}
}
```

Last Update 2024 by Julian Manns

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