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

Hans Mittelmann | 10272 | 46012 | 6.3936e-04 | open | neos-pseudoapplication-62 | -7* | neos-4360552-sangro.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 | 10272 | 10260 |

Constraints | 46012 | 28378 |

Binaries | 9696 | 9696 |

Integers | 576 | 564 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000639360 | 0.000670728 |

Nonzeroes | 302184 | 195288 |

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

Total | 46012 | 28390 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 12 | 0 |

Aggregations | 0 | 0 |

Precedence | 4014 | 4008 |

Variable Bound | 6912 | 6768 |

Set Partitioning | 0 | 0 |

Set Packing | 106 | 106 |

Set Covering | 72 | 72 |

Cardinality | 576 | 576 |

Invariant Knapsack | 25584 | 8112 |

Equation Knapsack | 48 | 48 |

Bin Packing | 576 | 576 |

Knapsack | 7536 | 7536 |

Integer Knapsack | 0 | 12 |

Mixed Binary | 0 | 0 |

General Linear | 576 | 576 |

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 | 1.740363 | ||||

Constraint % | 1.42364 | 1.76663 | 1.42364 | 4.51054 | |

Variable % | 1.26632 | 1.85077 | 1.26632 | 6.52640 | |

Score | 0.927663 |

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 | -7 | -7 | 0 | 0 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-4360552-sangro 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-5178119-nalagi | easy | 4167 | 4068 | 0 | 99 | 6921 | 74476 | Jeff Linderoth | neos-pseudoapplication-62 | 22.73999999763 | benchmark_suitable precedence set_partitioning set_packing set_covering cardinality invariant_knapsack knapsack mixed_binary general_linear |

bnatt500 | hard | 4500 | 4500 | 0 | 0 | 7029 | 27203 | Tatsuya Akutsu | bnatt | Infeasible | benchmark infeasible binary benchmark_suitable precedence set_covering invariant_knapsack binpacking knapsack |

bnatt400 | easy | 3600 | 3600 | 0 | 0 | 5614 | 21698 | Tatsuya Akutsu | bnatt | 1 | benchmark binary benchmark_suitable precedence set_covering invariant_knapsack binpacking knapsack |

s1234 | hard | 2945 | 2945 | 0 | 0 | 8418 | 44641 | Siwei Sun | SiweiSun | 29 | binary precedence set_covering invariant_knapsack binpacking knapsack |

supportcase3 | hard | 4191 | 4191 | 0 | 0 | 12702 | 53470 | Michael Winkler | -- | 0 | binary feasibility aggregations precedence variable_bound invariant_knapsack knapsack mixed_binary |

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Last Update Mai 20, 2021 by Philipp Wellner

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