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

Michael Winkler | 903 | 903 | 5.75846e-02 | easy | – | 45592 | supportcase20.mps.gz |

MIP instances collected from Gurobi forum with unknown application

Detailed explanation of the following tables can be found here.

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

Variables | 903 | 902 |

Constraints | 903 | 602 |

Binaries | 300 | 299 |

Integers | 0 | 1 |

Continuous | 603 | 602 |

Implicit Integers | 0 | 1 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.0575846 | 0.0859147 |

Nonzeroes | 46955 | 46652 |

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

Total | 903 | 602 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 300 | 0 |

Aggregations | 1 | 1 |

Precedence | 0 | 0 |

Variable Bound | 300 | 299 |

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 | 302 | 300 |

General Linear | 0 | 2 |

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 | 2.478566 | ||||

Constraint % | 0.166113 | 0.166113 | 0.166113 | 0.166113 | |

Variable % | 0.221484 | 0.221484 | 0.221484 | 0.221484 | |

Score | 0.497235 |

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 | 45592 | 45592 | 0 | 0 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to supportcase20 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

dano3mip | open | 13873 | 552 | 0 | 13321 | 3202 | 79655 | Daniel Bienstock | dano | 665.571428571428* | variable_bound cardinality mixed_binary |

dano3_5 | easy | 13873 | 115 | 0 | 13758 | 3202 | 79655 | Daniel Bienstock | dano | 576.924915956562 | benchmark benchmark_suitable variable_bound cardinality mixed_binary |

dano3_3 | easy | 13873 | 69 | 0 | 13804 | 3202 | 79655 | Daniel Bienstock | dano | 576.34463303 | benchmark benchmark_suitable variable_bound cardinality mixed_binary |

dg012142 | hard | 2080 | 640 | 0 | 1440 | 6310 | 14795 | A. Miller | – | 2300867 | aggregations precedence variable_bound mixed_binary |

set3-09 | open | 4019 | 1424 | 0 | 2595 | 3747 | 13747 | Kerem Akartunali | set3 | 178576.405833636* | precedence variable_bound mixed_binary |

`No bibliographic information available`

Last Update Mai 28, 2020 by Gabriel Kressin

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