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

Jeff Linderoth | 51450 | 65464 | 3.60154e-04 | easy | neos-pseudoapplication-17 | 2210 | neos-5102383-irwell.mps.gz |

Solved with COPT 7.0 using up to 12 threads in less than 30 minutes.

Detailed explanation of the following tables can be found here.

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

Variables | 51450 | 51450 |

Constraints | 65464 | 65464 |

Binaries | 98 | 98 |

Integers | 0 | 0 |

Continuous | 51352 | 51352 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000360154 | 0.000360154 |

Nonzeroes | 1213040 | 1213040 |

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

Total | 65464 | 65464 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 51352 | 51352 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

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 | 14112 | 14112 |

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 | 4.409544 | ||||

Constraint % | 0.00306 | 0.00306 | 0.00306 | 0.00306 | |

Variable % | 0.00389 | 0.00389 | 0.00389 | 0.00389 | |

Score | 0.784401 |

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 | 2210 | 2210 | 0 | 0 | 0 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-5102383-irwell 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-5079731-flyers | easy | 49686 | 98 | 0 | 49588 | 63112 | 1089564 | Jeff Linderoth | neos-pseudoapplication-17 | 2439.999999949 | decomposition benchmark_suitable aggregations mixed_binary |

neos-5100895-inster | easy | 29400 | 56 | 0 | 29344 | 39760 | 693168 | Jeff Linderoth | neos-pseudoapplication-17 | 3132 | benchmark_suitable aggregations mixed_binary |

neos-5093327-huahum | easy | 40640 | 64 | 0 | 40576 | 51840 | 784768 | Jeff Linderoth | neos-pseudoapplication-17 | 6259.999997125895 | benchmark decomposition benchmark_suitable aggregations mixed_binary |

neos-5076235-embley | easy | 49686 | 98 | 0 | 49588 | 63112 | 1089564 | Jeff Linderoth | neos-pseudoapplication-17 | 2362 | decomposition benchmark_suitable aggregations mixed_binary |

maritime-jg3d9 | easy | 92261 | 36960 | 0 | 55301 | 126621 | 627969 | Dimitri Papageorgiou | maritime | Infeasible | infeasible decomposition aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack mixed_binary general_linear |

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