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

C. Liebchen, R. Möhring | 397 | 371 | 1.18272e-02 | easy | timtab | 764772 | timtab1CUTS.mps.gz |

Public transport scheduling problem

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 397 | 384 |

Constraints | 371 | 371 |

Binaries | 77 | 64 |

Integers | 94 | 94 |

Continuous | 226 | 226 |

Implicit Integers | 0 | 0 |

Fixed Variables | 13 | 0 |

Nonzero Density | 0.0118272 | 0.0121153 |

Nonzeroes | 1742 | 1726 |

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

Total | 371 | 371 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 2 |

Precedence | 6 | 8 |

Variable Bound | 33 | 33 |

Set Partitioning | 0 | 0 |

Set Packing | 1 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 2 | 2 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 221 | 219 |

General Linear | 108 | 107 |

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 | 1.531479 | ||||

Constraint % | 0.269542 | 1.14351 | 0.269542 | 6.46900 | |

Variable % | 0.520833 | 1.76768 | 0.781250 | 8.07292 | |

Score | 0.360961 |

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 | 764772 | 0 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to timtab1CUTS 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

ic97_tension | easy | 703 | 176 | 4 | 523 | 319 | 2070 | MIPLIB submission pool | – | 3942 | benchmark_suitable aggregations mixed_binary general_linear |

icir97_tension | easy | 2494 | 262 | 573 | 1659 | 1203 | 22333 | MIPLIB submission pool | – | 6375 | benchmark benchmark_suitable aggregations mixed_binary general_linear |

csched007 | easy | 1758 | 1457 | 0 | 301 | 351 | 6379 | Tallys Yunes | csched | 351 | benchmark benchmark_suitable aggregations variable_bound set_partitioning mixed_binary general_linear |

neos-3610173-itata | easy | 844 | 77 | 0 | 767 | 747 | 2130 | Jeff Linderoth | neos-pseudoapplication-91 | 147.99999986 | precedence variable_bound mixed_binary general_linear |

neos-4338804-snowy | hard | 1344 | 1260 | 42 | 42 | 1701 | 6342 | Jeff Linderoth | neos-pseudoapplication-40 | 1471 | benchmark benchmark_suitable precedence set_covering mixed_binary general_linear |

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Last Update Aug 13, 2020 by Gabriel Kressin

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