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

MIPLIB submission pool | 1388 | 1048 | 1.4038e-02 | easy | -- | 7580813.0459 | arki001.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 1388 | 998 |

Constraints | 1048 | 783 |

Binaries | 442 | 387 |

Integers | 96 | 96 |

Continuous | 850 | 515 |

Implicit Integers | 0 | 0 |

Fixed Variables | 353 | 0 |

Nonzero Density | 0.0140380 | 0.0201028 |

Nonzeroes | 20420 | 15709 |

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

Total | 1048 | 783 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 29 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 476 | 367 |

Set Partitioning | 0 | 0 |

Set Packing | 2 | 2 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 19 | 19 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 4 | 8 |

Mixed Binary | 113 | 85 |

General Linear | 405 | 302 |

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 | 1.380211 | ||||

Constraint % | 0.127714 | 2.19890 | 2.55428 | 2.93742 | |

Variable % | 1.253620 | 3.45059 | 3.47155 | 5.59306 | |

Score | 0.487080 |

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 | 7580813 | 7580813 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to arki001 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-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 |

nag | open | 2884 | 1350 | 35 | 1499 | 5840 | 26499 | N. Shenoy | -- | 945* | aggregations precedence variable_bound set_partitioning mixed_binary general_linear |

icir97_tension | easy | 2494 | 262 | 573 | 1659 | 1203 | 22333 | MIPLIB submission pool | -- | 6375 | benchmark benchmark_suitable aggregations mixed_binary general_linear |

lectsched-5-obj | easy | 21805 | 21389 | 416 | 0 | 38884 | 239608 | Harald Schilly | lectsched | 24 | benchmark benchmark_suitable aggregations precedence variable_bound set_covering invariant_knapsack integer_knapsack general_linear |

lectsched-4-obj | easy | 7901 | 7665 | 236 | 0 | 14163 | 82428 | Harald Schilly | lectsched | 4 | benchmark_suitable aggregations precedence variable_bound set_covering integer_knapsack general_linear |

`No bibliographic information available`

Last Update Mai 20, 2021 by Philipp Wellner

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