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

Gerardo Gonzalez | 328575 | 295989 | 1.82049e-05 | easy | -- | 3217.7 | savsched1.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 328575 | 328296 |

Constraints | 295989 | 295989 |

Binaries | 252731 | 252731 |

Integers | 0 | 0 |

Continuous | 75844 | 75565 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 1.82049e-05 | 1.82203e-05 |

Nonzeroes | 1770510 | 1770510 |

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

Total | 295989 | 295989 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 2 | 2 |

Precedence | 0 | 0 |

Variable Bound | 137729 | 137729 |

Set Partitioning | 0 | 0 |

Set Packing | 119072 | 119072 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 102 | 102 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 39084 | 39084 |

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 | |||||

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

1 | 3217.7 | 3217.7 | 0 | 0 | 0 | - | 2018-10-10 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to savsched1 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

neos-4409277-trave | hard | 14363 | 14362 | 0 | 1 | 7875 | 204518 | Jeff Linderoth | neos-pseudoapplication-47 | 3 | variable_bound set_partitioning set_packing set_covering cardinality invariant_knapsack mixed_binary |

neos9 | easy | 81408 | 2099 | 0 | 79309 | 31600 | 244224 | NEOS Server Submission | neos-pseudoapplication-5 | 797.999999999987 | decomposition benchmark_suitable variable_bound set_packing mixed_binary |

neos-5041756-cobark | easy | 60301 | 60000 | 0 | 301 | 30900 | 180900 | Jeff Linderoth | neos-pseudoapplication-12 | Unbounded | decomposition precedence variable_bound set_packing invariant_knapsack mixed_binary |

rwth-timetable | open | 923564 | 317079 | 0 | 606485 | 440134 | 4510786 | Gerald Lach | -- | 791001* | aggregations precedence variable_bound set_partitioning set_packing mixed_binary |

tbfp-bigm | hard | 2406 | 2404 | 0 | 2 | 35999 | 74338 | Rob Pratt | -- | 24.163194443 | variable_bound set_partitioning |

`No bibliographic information available`

Last Update Mai 20, 2021 by Philipp Wellner

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