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

MIPLIB submission pool | 703 | 319 | 9.23048e-03 | easy | -- | 3942 | ic97_tension.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 703 | 653 |

Constraints | 319 | 310 |

Binaries | 176 | 173 |

Integers | 4 | 4 |

Continuous | 523 | 476 |

Implicit Integers | 0 | 0 |

Fixed Variables | 47 | 0 |

Nonzero Density | 0.00923048 | 0.00880798 |

Nonzeroes | 2070 | 1783 |

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

Total | 319 | 310 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 12 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

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 | 315 | 294 |

General Linear | 4 | 4 |

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 | 1.278754 | ||||

Constraint % | 0.325733 | 4.34311 | 0.651466 | 39.4137 | |

Variable % | 0.285307 | 4.36678 | 0.855920 | 38.0884 | |

Score | 0.584344 |

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 | 3942 | 3942 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to ic97_tension 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

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

neos-4954672-berkel | hard | 1533 | 630 | 0 | 903 | 1848 | 8007 | Jeff Linderoth | neos-pseudoapplication-43 | 2612710 | benchmark benchmark_suitable aggregations variable_bound mixed_binary |

timtab1CUTS | easy | 397 | 77 | 94 | 226 | 371 | 1742 | C. Liebchen, R. Möhring | timtab | 764772 | benchmark_suitable aggregations precedence variable_bound invariant_knapsack 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 |

csched008 | easy | 1536 | 1284 | 0 | 252 | 351 | 5687 | Tallys Yunes | csched | 173 | benchmark benchmark_suitable aggregations variable_bound set_partitioning mixed_binary general_linear |

`No bibliographic information available`

Last Update Mai 20, 2021 by Philipp Wellner

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