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

Gerald Gamrath | 228350 | 126512 | 1.60594e-05 | easy | supplynetworkplanning | 586803238.657 | snp-02-004-104.mps.gz |

Supply network planning problems.

Detailed explanation of the following tables can be found here.

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

Variables | 228350 | 197229 |

Constraints | 126512 | 99570 |

Binaries | 167 | 62 |

Integers | 167 | 75 |

Continuous | 228016 | 197092 |

Implicit Integers | 0 | 13 |

Fixed Variables | 1 | 0 |

Nonzero Density | 1.60594e-05 | 2.04224e-05 |

Nonzeroes | 463941 | 401056 |

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

Total | 126512 | 99570 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 21937 | 0 |

Aggregations | 21681 | 20667 |

Precedence | 0 | 0 |

Variable Bound | 1589 | 1331 |

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 | 81054 | 77487 |

General Linear | 251 | 85 |

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 | 4.326541 | ||||

Constraint % | 0.00100 | 0.00105 | 0.00100 | 0.187808 | |

Variable % | 0.00101 | 0.00103 | 0.00101 | 0.113850 | |

Score | 0.221779 |

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 | 586803239 | 0 | 0 | 2e-07 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to snp-02-004-104 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

snp-06-004-052 | open | 328461 | 494 | 494 | 327473 | 183168 | 668716 | Gerald Gamrath | supplynetworkplanning | 1869531919.902* | numerics aggregations variable_bound mixed_binary general_linear |

snp-10-004-052 | open | 538777 | 815 | 815 | 537147 | 300348 | 1097780 | Gerald Gamrath | supplynetworkplanning | 5906642865.78* | numerics aggregations variable_bound mixed_binary general_linear |

snp-04-052-052 | open | 221438 | 4546 | 4546 | 212346 | 129662 | 459205 | Gerald Gamrath | supplynetworkplanning | 951577637.7644* | numerics aggregations variable_bound mixed_binary general_linear |

snp-10-052-052 | open | 549021 | 11059 | 11059 | 526903 | 320836 | 1138760 | Gerald Gamrath | supplynetworkplanning | 16136245760* | numerics aggregations variable_bound mixed_binary general_linear |

rentacar | easy | 9557 | 55 | 0 | 9502 | 6803 | 41842 | MIPLIB submission pool | – | 30356760.9838 | aggregations precedence variable_bound mixed_binary |

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Last Update Jun 24, 2019 by Gregor Hendel

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