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

Hans Mittelmann | 12600 | 8382 | 3.74327e-02 | hard | neos-pseudoapplication-29 | 27265.706 | neos-4647030-tutaki.mps.gz |

Collection of anonymous submissions to the NEOS Server for Optimization

Detailed explanation of the following tables can be found here.

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

Variables | 12600 | 12600 |

Constraints | 8382 | 8382 |

Binaries | 7000 | 7000 |

Integers | 0 | 0 |

Continuous | 5600 | 5600 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.0374327 | 0.0374327 |

Nonzeroes | 3953390 | 3953390 |

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

Total | 8382 | 8382 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 1400 | 1400 |

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 | 6982 | 6982 |

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 | 3.146438 | ||||

Constraint % | 0.0119303 | 0.0119303 | 0.0119303 | 0.0119303 | |

Variable % | 0.0396825 | 0.0396825 | 0.0396825 | 0.0396825 | |

Score | 0.166958 |

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 | 27265.71 | 27265.71 | 0 | 0 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-4647030-tutaki 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-4647032-veleka | open | 18200 | 12600 | 0 | 5600 | 8382 | 3970190 | Hans Mittelmann | neos-pseudoapplication-29 | 27214.4801* | set_packing mixed_binary |

neos-4647027-thurso | open | 9800 | 4200 | 0 | 5600 | 8382 | 3944990 | Hans Mittelmann | neos-pseudoapplication-29 | 27407.3269* | set_packing mixed_binary |

supportcase7 | easy | 138844 | 451 | 14 | 138379 | 6532 | 2845540 | Michael Winkler | โ | -1132.223177 | benchmark benchmark_suitable precedence variable_bound invariant_knapsack mixed_binary |

neos-4335793-snake | hard | 30827 | 20473 | 7865 | 2489 | 37166 | 129119 | Jeff Linderoth | neos-pseudoapplication-44 | 27 | numerics aggregations precedence variable_bound set_packing cardinality invariant_knapsack knapsack mixed_binary general_linear |

neos-5182409-nasivi | easy | 2005 | 1600 | 0 | 405 | 580 | 14884 | Jeff Linderoth | neos-pseudoapplication-32 | 301.99999992 | benchmark_suitable aggregations set_partitioning set_packing invariant_knapsack mixed_binary general_linear |

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Last Update Mรคr 25, 2020 by Gabriel Kressin

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