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

Jeff Linderoth | 24557 | 30175 | 1.26608e-02 | easy | neos-pseudoapplication-41 | Infeasible | neos-5157194-moruya.mps.gz |

Claimed to be infeasible by most solvers. A solution is available that is not feasible in the strict sense.

Detailed explanation of the following tables can be found here.

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

Variables | 24557 | 22857 |

Constraints | 30175 | 26711 |

Binaries | 13302 | 13302 |

Integers | 1681 | 1681 |

Continuous | 9574 | 7874 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.0126608 | 0.0139737 |

Nonzeroes | 9381780 | 8531430 |

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

Total | 30175 | 26711 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 19 | 0 |

Aggregations | 6231 | 6231 |

Precedence | 0 | 0 |

Variable Bound | 8662 | 6941 |

Set Partitioning | 841 | 841 |

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 | 102 | 102 |

General Linear | 14320 | 12596 |

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.

ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|

1 | 2520233187 | 5.1e-06 | 1e-07 | 0.0111078 | Philipp Christophel | 2018-11-30 | “Found using SAS OR. Not feasible in strict sense.” |

The following instances are most similar to neos-5157194-moruya 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

neos-3065804-namu | easy | 4741 | 2190 | 0 | 2551 | 3280 | 574830 | Jeff Linderoth | neos-pseudoapplication-41 | 0 | numerics aggregations precedence variable_bound set_packing mixed_binary |

neos-585192 | easy | 2597 | 1044 | 0 | 1553 | 2628 | 72396 | NEOS Server Submission | neos-pseudoapplication-92 | 461.1797 | numerics aggregations precedence variable_bound mixed_binary |

neos-585467 | easy | 2116 | 846 | 0 | 1270 | 2166 | 50058 | NEOS Server Submission | neos-pseudoapplication-92 | 399.3739 | numerics aggregations precedence variable_bound mixed_binary |

neos-4230265-orari | open | 32980 | 13380 | 10 | 19590 | 76374 | 189026 | Jeff Linderoth | neos-pseudoapplication-57 | 187078.440461* | numerics aggregations precedence variable_bound set_covering invariant_knapsack mixed_binary general_linear |

Test3 | easy | 72215 | 33143 | 0 | 39072 | 50680 | 617867 | MIPLIB submission pool | – | 2673520.21135 | numerics aggregations variable_bound set_partitioning binpacking knapsack mixed_binary |

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Last Update Jun 24, 2019 by Gregor Hendel

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