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

Jeff Linderoth | 10842 | 11122 | 6.63517e-04 | hard | neos-pseudoapplication-46 | 321.1522319 | neos-2294525-abba.mps.gz |

Detailed explanation of the following tables can be found here.

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

Variables | 10842 | 10842 |

Constraints | 11122 | 11122 |

Binaries | 10086 | 10086 |

Integers | 0 | 0 |

Continuous | 756 | 756 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000663517 | 0.000663517 |

Nonzeroes | 80010 | 80010 |

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

Total | 11122 | 11122 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 252 | 252 |

Variable Bound | 0 | 0 |

Set Partitioning | 52 | 52 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 240 | 240 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 10578 | 10578 |

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 | 0.845098 | ||||

Constraint % | 16.6067 | 16.6067 | 16.6067 | 16.6067 | |

Variable % | 16.6667 | 16.6667 | 16.6667 | 16.6667 | |

Score | 0.830336 |

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

2 | 1 | 321.1522 | 321.1522 | 0 | 0 | 0 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. |

1 | 2 | 321.1522 | 156.1773 | 0 | 0 | 0 | Yuji Shinano | 2019-06-11 | “Solved using FiberXpress (M620v3, 20 cores but 16 solver threads)” |

The following instances are most similar to neos-2294525-abba 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

ns1905797 | open | 18192 | 17676 | 4 | 512 | 51884 | 239700 | NEOS Server Submission | neos-pseudoapplication-102 | no_solution aggregations precedence variable_bound set_partitioning cardinality mixed_binary general_linear | |

neos-1456979 | easy | 4605 | 4245 | 180 | 180 | 6770 | 36440 | NEOS Server Submission | neos-pseudoapplication-102 | 176 | benchmark decomposition benchmark_suitable variable_bound set_partitioning set_packing cardinality knapsack mixed_binary general_linear |

neos-5266653-tugela | open | 23310 | 22662 | 0 | 648 | 23458 | 171534 | Hans Mittelmann | neos-pseudoapplication-102 | 68264.434482* | decomposition precedence set_partitioning cardinality binpacking knapsack mixed_binary |

neos-5221106-oparau | open | 25445 | 25120 | 0 | 325 | 13897 | 245756 | Hans Mittelmann | neos-pseudoapplication-46 | 64.29999999346* | precedence variable_bound set_partitioning cardinality knapsack mixed_binary |

neos-5260764-orauea | open | 12940 | 12580 | 0 | 360 | 12304 | 82620 | Hans Mittelmann | neos-pseudoapplication-102 | 83499.47062729* | decomposition variable_bound set_partitioning cardinality binpacking knapsack mixed_binary |

`No bibliographic information available`

Last Update Okt 02, 2019 by Gregor Hendel

generated with R Markdown

© 2019 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)

Imprint