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

Jeff Linderoth | 85126 | 210116 | 3.08844e-05 | hard | neos-pseudoapplication-6 | 0.0383071909985602 | neos-4295773-pissa.mps.gz |

Detailed explanation of the following tables can be found here.

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

Variables | 85126 | 85126 |

Constraints | 210116 | 210116 |

Binaries | 85124 | 85124 |

Integers | 0 | 0 |

Continuous | 2 | 2 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 3.08844e-05 | 3.08844e-05 |

Nonzeroes | 552408 | 552408 |

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

Total | 210116 | 210116 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 14248 | 14248 |

Precedence | 127296 | 127296 |

Variable Bound | 7072 | 7072 |

Set Partitioning | 160 | 26 |

Set Packing | 0 | 0 |

Set Covering | 56576 | 0 |

Cardinality | 4491 | 4625 |

Invariant Knapsack | 0 | 56576 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 1 | 1 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 272 | 272 |

General Linear | 0 | 0 |

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 | 1.431364 | ||||

Constraint % | 3.75602 | 3.75602 | 3.75602 | 3.75602 | |

Variable % | 3.84606 | 3.84606 | 3.84606 | 3.84606 | |

Score | 0.939006 |

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 | |
---|---|---|---|---|---|---|---|---|---|

3 | 2 | 0.0383072 | 0 | 0 | 0 | Edward Rothberg | 2019-12-13 | Obtained with Gurobi 9.0 | |

1 | 3 | 0.0383072 | 0 | 0 | 0 | Robert Bixby | 2020-02-10 | Solved with Gurobi 9.0 within 9 hours | |

2 | 1 | 0.0490932 | 0.0490932 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-4295773-pissa 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.

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Last Update Nov 16, 2020 by Philipp Wellner

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