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

Alexandra M. Newman | 745 | 26159 | 6.62567e-03 | easy | -- | 3336.23984845 | ci-s4.mps.gz |

minimizing violence in a counterinsurgency model (lot os regressions built in)

Detailed explanation of the following tables can be found here.

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

Variables | 745 | 745 |

Constraints | 26159 | 26159 |

Binaries | 355 | 355 |

Integers | 150 | 150 |

Continuous | 240 | 240 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00662567 | 0.00662567 |

Nonzeroes | 129124 | 129124 |

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

Total | 26159 | 26159 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 115 | 115 |

Precedence | 93 | 93 |

Variable Bound | 390 | 390 |

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 | 1651 | 1651 |

General Linear | 23910 | 23910 |

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 | 1.612784 | ||||

Constraint % | 0.003820 | 2.34215 | 0.003820 | 6.22204 | |

Variable % | 0.268456 | 2.10738 | 0.268456 | 9.39597 | |

Score | 0.894018 |

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 | 3336.24 | 3336.24 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to ci-s4 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.

`We have a working paper, to be submitted in a few months.`

Last Update Mai 20, 2021 by Philipp Wellner

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