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

NEOS Server Submission | 341780 | 14928 | 3.28954e-04 | open | neos-pseudoapplication-9 | 2663944.15* | ns1679495.mps.gz |

Instance coming from the NEOS Server with unknown application.

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 341780 | 341780 |

Constraints | 14928 | 14927 |

Binaries | 10580 | 10580 |

Integers | 0 | 0 |

Continuous | 331200 | 331200 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.000328954 | 0.000328741 |

Nonzeroes | 1678360 | 1677160 |

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

Total | 14928 | 14927 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 7360 | 7360 |

Variable Bound | 0 | 0 |

Set Partitioning | 160 | 160 |

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 | 7408 | 7407 |

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 | 0.301030 | ||||

Constraint % | 50.37850 | 50.37850 | 50.37850 | 50.37850 | |

Variable % | 2.16689 | 2.16689 | 2.16689 | 2.16689 | |

Score | 0.492869 |

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 | 3 | 2663944 | 2663944 | 0 | 0 | 0e+00 | Edward Rothberg | 2020-07-17 | Obtained with the Gurobi 9.0 solution improvement heuristic |

3 | 2 | 2717206 | 0 | 0 | 0e+00 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

2 | 1 | 2934031 | 2934031 | 0 | 0 | 3e-07 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to ns1679495 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

zeil | open | 70116 | 5314 | 0 | 64802 | 81558 | 1628941 | Andreas Bärmann | -- | 1109.55* | precedence variable_bound mixed_binary |

neos-4954340-beaury | easy | 7850 | 2544 | 0 | 5306 | 20162 | 77435 | Jeff Linderoth | neos-pseudoapplication-59 | Unbounded | numerics precedence variable_bound set_packing mixed_binary |

neos-4954357-bednja | easy | 3885 | 1231 | 0 | 2654 | 9641 | 49441 | Jeff Linderoth | neos-pseudoapplication-59 | Unbounded | numerics precedence variable_bound set_packing mixed_binary |

neos-1420546 | open | 26055 | 1125 | 0 | 24930 | 12671 | 67959 | NEOS Server Submission | neos-pseudoapplication-9 | 23011.81329777* | decomposition set_partitioning mixed_binary |

neos-1420790 | open | 4926 | 540 | 0 | 4386 | 2310 | 12720 | NEOS Server Submission | neos-pseudoapplication-9 | 3120.4393349059837* | decomposition set_partitioning mixed_binary |

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Last Update Mai 20, 2021 by Philipp Wellner

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