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

Jeff Linderoth | 654950 | 345152 | 4.72012e-05 | open | neos-pseudoapplication-31 | 6311.0* | neos-4545615-waita.mps.gz |

Detailed explanation of the following tables can be found here.

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

Variables | 654950 | 653798 |

Constraints | 345152 | 345152 |

Binaries | 654930 | 653778 |

Integers | 0 | 0 |

Continuous | 20 | 20 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 4.72012e-05 | 4.72793e-05 |

Nonzeroes | 10670200 | 10669000 |

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

Total | 345152 | 345152 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 319320 | 319320 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 576 | 576 |

Set Packing | 18 | 18 |

Set Covering | 32 | 32 |

Cardinality | 19314 | 19314 |

Invariant Knapsack | 306 | 4926 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 18 | 930 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 5568 | 36 |

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 | |||||

Constraint % | |||||

Variable % | |||||

Score |

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 | 6311 | 6311 | 0 | 0 | 0 | Edward Rothberg | 2020-07-17 | Obtained with the Gurobi 9.0 solution improvement heuristic |

3 | 2 | 6437 | 6437 | 0 | 0 | 0 | Edward Rothberg | 2020-06-11 | Obtained with Gurobi 9.0 using the solution improvement heuristic |

2 | 1 | 7624 | 0 | 0 | 0 | Robert Ashford and Alkis Vazacopoulos | 2019-11-20 | Found by the Optimization Direct Heuristic and CPLEX |

The following instances are most similar to neos-4545615-waita 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.

`No bibliographic information available`

Last Update Mai 20, 2021 by Philipp Wellner

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