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

MIPLIB submission pool | 5868 | 2313 | 1.30497e-03 | easy | nus-prxy | 53905 | nu25-pr12.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 5868 | 5834 |

Constraints | 2313 | 2276 |

Binaries | 5832 | 5798 |

Integers | 36 | 36 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00130497 | 0.00132315 |

Nonzeroes | 17712 | 17569 |

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

Total | 2313 | 2276 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 10 | 0 |

Aggregations | 405 | 388 |

Precedence | 0 | 0 |

Variable Bound | 16 | 13 |

Set Partitioning | 29 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 1753 | 1782 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 0 | 0 |

General Linear | 100 | 93 |

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 | 2.720986 | ||||

Constraint % | 0.0447027 | 0.184516 | 0.0447027 | 3.35270 | |

Variable % | 0.0343879 | 0.188675 | 0.0343879 | 2.52751 | |

Score | 0.960497 |

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 | 53905 | 53905 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to nu25-pr12 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

nu120-pr12 | easy | 5868 | 5832 | 36 | 0 | 2313 | 17712 | MIPLIB submission pool | nus-prxy | 42215 | decomposition aggregations variable_bound cardinality general_linear |

nu120-pr9 | easy | 7350 | 7308 | 42 | 0 | 2220 | 22176 | MIPLIB submission pool | nus-prxy | 24945 | decomposition numerics aggregations variable_bound cardinality general_linear |

nu4-pr9 | easy | 7350 | 7308 | 42 | 0 | 2220 | 22176 | MIPLIB submission pool | nus-prxy | 35520 | decomposition numerics aggregations variable_bound cardinality general_linear |

neos-827175 | easy | 32504 | 21350 | 0 | 11154 | 14187 | 110790 | NEOS Server Submission | neos-pseudoapplication-87 | 112.00152 | benchmark decomposition benchmark_suitable aggregations set_partitioning set_packing cardinality binpacking mixed_binary general_linear |

fiber | easy | 1298 | 1254 | 0 | 44 | 363 | 2944 | MIPLIB submission pool | – | 405935.18 | decomposition aggregations set_partitioning cardinality general_linear |

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Last Update Jun 24, 2020 by Gabriel Kressin

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