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

Hans Mittelmann | 25445 | 13897 | 6.94993e-04 | open | neos-pseudoapplication-46 | 55.5399999999997* | neos-5221106-oparau.mps.gz |

Seem to be VRP output from 2-hour runs of Gurobi on 12 threads is included

Detailed explanation of the following tables can be found here.

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

Variables | 25445 | 25441 |

Constraints | 13897 | 13881 |

Binaries | 25120 | 25116 |

Integers | 0 | 0 |

Continuous | 325 | 325 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000694993 | 0.000695824 |

Nonzeroes | 245756 | 245728 |

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

Total | 13897 | 13881 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 8 | 0 |

Aggregations | 0 | 0 |

Precedence | 4 | 4 |

Variable Bound | 320 | 312 |

Set Partitioning | 125 | 285 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 320 | 160 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 4 | 4 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 13116 | 13116 |

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 | 0.7781512 | ||||

Constraint % | 0.0288330 | 19.3758 | 24.2125 | 24.2125 | |

Variable % | 0.0196502 | 19.9969 | 24.9912 | 24.9912 | |

Score | 0.7267490 |

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 | 2 | 55.54 | 0 | 0 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

1 | 1 | 64.30 | 64.3 | 0 | 0 | 0 | - | 2018-10-12 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-5221106-oparau 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-2294525-abba | hard | 10842 | 10086 | 0 | 756 | 11122 | 80010 | Jeff Linderoth | neos-pseudoapplication-46 | 321.1522319 | decomposition precedence set_partitioning cardinality mixed_binary |

ns2071214 | easy | 2720 | 2220 | 0 | 500 | 6250 | 21474 | NEOS Server Submission | neos-pseudoapplication-46 | 507 | benchmark_suitable precedence variable_bound set_partitioning set_packing set_covering cardinality invariant_knapsack mixed_binary |

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

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-5266653-tugela | open | 23310 | 22662 | 0 | 648 | 23458 | 171534 | Hans Mittelmann | neos-pseudoapplication-102 | 65505.2005752763* | decomposition precedence set_partitioning cardinality binpacking knapsack mixed_binary |

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Last Update Aug 13, 2020 by Gabriel Kressin

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