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

Christopher Hojny | 2232 | 2547 | 2.39054e-03 | easy | noip | Infeasible | no-ip-65059.mps.gz |

integer programming formulation that verifies that no integer programming formulation of a given 0/1-point set exists

Detailed explanation of the following tables can be found here.

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

Variables | 2232 | 2232 |

Constraints | 2547 | 2538 |

Binaries | 2187 | 2187 |

Integers | 45 | 45 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00239054 | 0.00239743 |

Nonzeroes | 13590 | 13581 |

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

Total | 2547 | 2538 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 9 | 0 |

Aggregations | 0 | 0 |

Precedence | 36 | 36 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 243 | 243 |

Cardinality | 0 | 0 |

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 | 2259 | 2259 |

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 | 1.000000 | ||||

Constraint % | 10.0473 | 10.0473 | 10.0473 | 10.0473 | |

Variable % | 11.1111 | 11.1111 | 11.1111 | 11.1111 | |

Score | 0.803783 |

No solution available for no-ip-65059 .

The following instances are most similar to no-ip-65059 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.

`No bibliographic information available`

Last Update 2024 by Julian Manns

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