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

MIPLIB submission pool | 1080 | 750 | 3.0963e-03 | easy | -- | 130596 | tr12-30.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 1080 | 1072 |

Constraints | 750 | 742 |

Binaries | 360 | 352 |

Integers | 0 | 0 |

Continuous | 720 | 720 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00309630 | 0.00312286 |

Nonzeroes | 2508 | 2484 |

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

Total | 750 | 742 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 12 | 12 |

Precedence | 0 | 0 |

Variable Bound | 360 | 352 |

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 | 378 | 378 |

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 | 1.113943 | ||||

Constraint % | 7.95148 | 7.99641 | 7.95148 | 8.08625 | |

Variable % | 8.24074 | 8.27160 | 8.24074 | 8.33333 | |

Score | 0.880194 |

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 | 130596 | 130596 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to tr12-30 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

bg512142 | hard | 792 | 240 | 0 | 552 | 1307 | 3953 | A. Miller | -- | 184202.75 | aggregations precedence variable_bound mixed_binary |

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

neos-3754480-nidda | hard | 253 | 50 | 0 | 203 | 402 | 1488 | Jeff Linderoth | neos-pseudoapplication-107 | 12941.74 | benchmark benchmark_suitable precedence variable_bound knapsack mixed_binary |

exp-1-500-5-5 | easy | 990 | 250 | 0 | 740 | 550 | 1980 | MIPLIB submission pool | exp_and_fc | 65887 | benchmark benchmark_suitable variable_bound set_packing mixed_binary |

set3-09 | open | 4019 | 1424 | 0 | 2595 | 3747 | 13747 | Kerem Akartunali | set3 | 176497.15* | precedence variable_bound mixed_binary |

`No bibliographic information available`

Last Update Nov 16, 2020 by Philipp Wellner

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