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

Jeff Linderoth | 26928 | 27756 | 1.3737e-04 | easy | neos-pseudoapplication-50 | 6021720 | neos-3075395-nile.mps.gz |

Solved using SCIP 6.0.1 in less than 4 seconds.

Detailed explanation of the following tables can be found here.

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

Variables | 26928 | 26928 |

Constraints | 27756 | 27756 |

Binaries | 1728 | 1728 |

Integers | 0 | 0 |

Continuous | 25200 | 25200 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00013737 | 0.00013737 |

Nonzeroes | 102672 | 102672 |

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

Total | 27756 | 27756 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 1080 | 1080 |

Precedence | 0 | 0 |

Variable Bound | 24192 | 24192 |

Set Partitioning | 0 | 0 |

Set Packing | 540 | 540 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 36 | 36 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 36 | 36 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 1872 | 1872 |

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 | 1.863323 | ||||

Constraint % | 1.35106 | 1.35106 | 1.35106 | 1.35106 | |

Variable % | 1.33690 | 1.33690 | 1.33690 | 1.33690 | |

Score | 0.959758 |

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 | 1873287 | 9.4e-06 | 0 | 0e+00 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. | |

1 | 2 | 6021720 | 6021720 | 0.0e+00 | 0 | 1e-07 | Gregor Hendel | 2018-11-30 | “Found using a developer version of SCIP 6.0.1” |

The following instances are most similar to neos-3075395-nile 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 | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Status | Objective |
---|---|---|---|---|---|---|---|---|---|---|

mtest4ma | 1950 | 975 | 0 | 975 | 1174 | 4875 | MIPLIB submission pool | – | easy | 52148 |

control30-3-2-3 | 332 | 90 | 0 | 242 | 512 | 1472 | Qie He | control | easy | -17.25658927192 |

sp150x300d | 600 | 300 | 0 | 300 | 450 | 1200 | MIPLIB submission pool | sp_product | easy | 69 |

lotsize | 2985 | 1195 | 0 | 1790 | 1920 | 6565 | Dinakar Gade, Simge Kucukyavuz | – | easy | 1480195 |

n3705 | 10000 | 5000 | 0 | 5000 | 5150 | 20000 | J. Aronson | n37 | open | 1264759* |

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Last Update Jan 18, 2019 by Gregor Hendel

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