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

NEOS Server Submission | 2720 | 6250 | 1.26318e-03 | easy | neos-pseudoapplication-46 | 507 | ns2071214.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 2720 | 2710 |

Constraints | 6250 | 5714 |

Binaries | 2220 | 2220 |

Integers | 0 | 0 |

Continuous | 500 | 490 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00126318 | 0.00131186 |

Nonzeroes | 21474 | 20314 |

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

Total | 6250 | 5714 |

Empty | 1 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 195 | 195 |

Variable Bound | 2940 | 2450 |

Set Partitioning | 344 | 344 |

Set Packing | 50 | 148 |

Set Covering | 211 | 15 |

Cardinality | 157 | 157 |

Invariant Knapsack | 0 | 245 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 2352 | 2160 |

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 | 2.482874 | ||||

Constraint % | 0.0195465 | 0.174048 | 0.117279 | 5.04300 | |

Variable % | 0.0821018 | 0.287627 | 0.205255 | 7.06076 | |

Score | 0.522035 |

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 | 507 | 507 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to ns2071214 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-5221106-oparau | open | 25445 | 25120 | 0 | 325 | 13897 | 245756 | Hans Mittelmann | neos-pseudoapplication-46 | 55.5399999999997* | precedence variable_bound set_partitioning cardinality knapsack mixed_binary |

neos-2294525-abba | hard | 10842 | 10086 | 0 | 756 | 11122 | 80010 | Jeff Linderoth | neos-pseudoapplication-46 | 321.1522319 | decomposition precedence set_partitioning cardinality mixed_binary |

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 |

neos-5182409-nasivi | easy | 2005 | 1600 | 0 | 405 | 580 | 14884 | Jeff Linderoth | neos-pseudoapplication-32 | 301.99999992 | benchmark_suitable aggregations set_partitioning set_packing invariant_knapsack mixed_binary general_linear |

ns930473 | open | 11328 | 11176 | 0 | 152 | 23240 | 121764 | NEOS Server Submission | neos-pseudoapplication-46 | 821466* | variable_bound set_partitioning cardinality mixed_binary |

`No bibliographic information available`

Last Update Jun 24, 2020 by Gabriel Kressin

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