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

Simon Felix | 1141653 | 772872 | 9.75952e-06 | open | fhnw-bin | 55224* | fhnw-binschedule1.mps.gz |

Scheduling/assignment for an industrial production pipeline

Detailed explanation of the following tables can be found here.

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

Variables | 1141653 | 1141641 |

Constraints | 772872 | 769966 |

Binaries | 1137008 | 1137008 |

Integers | 4644 | 4632 |

Continuous | 1 | 1 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 9.75952e-06 | 9.79072e-06 |

Nonzeroes | 8611330 | 8606290 |

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

Total | 772872 | 769966 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 774 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 517594 | 515462 |

Set Partitioning | 2152 | 2152 |

Set Packing | 774 | 774 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 140 | 140 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 246800 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 246806 | 6 |

General Linear | 4632 | 4632 |

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 | |||||

Constraint % | |||||

Variable % | |||||

Score |

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

2 | 2 | 55224 | 0 | 0 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

1 | 1 | 59290 | 59290 | 0 | 0 | 0 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to fhnw-binschedule1 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 Mai 20, 2021 by Philipp Wellner

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