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

Jeff Linderoth | 150228 | 232387 | 1.87039e-05 | open | neos-pseudoapplication-83 | 157909.0677610051* | neos-3754224-navua.mps.gz |

This instance was originally believed to be infeasible. The provided solution is feasible within tolerances as confirmed by the solution checker. Due to this inconsistency in solver results, this instance has been removed from the benchmark set since version 2.

Detailed explanation of the following tables can be found here.

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

Variables | 150228 | 150163 |

Constraints | 232387 | 231412 |

Binaries | 3574 | 3509 |

Integers | 0 | 0 |

Continuous | 146654 | 146654 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 1.87039e-05 | 1.87348e-05 |

Nonzeroes | 652974 | 651024 |

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

Total | 232387 | 231412 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 18214 | 18214 |

Precedence | 22350 | 21375 |

Variable Bound | 16508 | 16508 |

Set Partitioning | 1320 | 1320 |

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 | 173995 | 173995 |

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.

`## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion`

ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|

3 | 157909.1 | 0 | 8e-07 | 0 | Michael Winkler | 2022-08-08 | Found with Gurobi 9.5.0 running default Gurobi until the first solution was found and then using the NoRel heuristic to improve on that. | |

2 | 280713.6 | 0 | 9e-07 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

1 | 2094267.6 | 0 | 5e-07 | 0 | Andrea Tramontani | 2019-06-24 | found with CPLEX 12.9.0 using 12 threads at the root node after 1 hour |

The following instances are most similar to neos-3754224-navua 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

eva1aprime5x5opt | open | 1712 | 400 | 0 | 1312 | 11929 | 57162 | Yoshihiro Kanno | evaprime | -17.94807560443689* | aggregations variable_bound set_packing mixed_binary |

eva1aprime6x6opt | open | 3514 | 836 | 0 | 2678 | 34872 | 161558 | Yoshihiro Kanno | evaprime | -18.100995280293* | aggregations variable_bound set_packing mixed_binary |

neos-619167 | easy | 3452 | 400 | 0 | 3052 | 6800 | 20020 | NEOS Server Submission | neos-pseudoapplication-83 | 1.664893618589958 | decomposition numerics precedence variable_bound mixed_binary |

neos-5018451-chiese | easy | 265713 | 1222 | 244 | 264247 | 170175 | 1249955 | Jeff Linderoth | neos-pseudoapplication-69 | -147988824.81 | numerics aggregations variable_bound mixed_binary general_linear |

neos-4984115-canche | easy | 268859 | 0 | 65 | 268794 | 180214 | 1351945 | Jeff Linderoth | neos-pseudoapplication-69 | -9946659.921 | numerics aggregations variable_bound mixed_binary general_linear |

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Last Update 2024 by Julian Manns

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