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

Jeff Linderoth | 496 | 51872 | 8.15407e-03 | open | neos-pseudoapplication-66 | 48180* | neos-2629914-sudost.mps.gz |

Detailed explanation of the following tables can be found here.

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

Variables | 496 | 496 |

Constraints | 51872 | 51872 |

Binaries | 256 | 256 |

Integers | 0 | 0 |

Continuous | 240 | 240 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00815407 | 0.00815407 |

Nonzeroes | 209792 | 209792 |

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

Total | 51872 | 51872 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 32 | 32 |

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 | 51840 | 51840 |

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 % | 0.0616903 | 0.0616903 | 0.0616903 | 0.0616903 | |

Variable % | 51.6129000 | 51.6129000 | 51.6129000 | 51.6129000 | |

Score | 0.000299 |

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 | 48180 | 0 | 0 | 0 | Ed Klotz | 2019-11-15 | Found with a customized approach using the Optimization Direct Heuristic and CPLEX 12.9 | |

1 | 1 | 48212 | 48212 | 0 | 0 | 0 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-2629914-sudost 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

neos17 | easy | 535 | 300 | 0 | 235 | 486 | 4931 | NEOS Server Submission | neos-pseudoapplication-66 | 0.1500025774 | benchmark benchmark_suitable mixed_binary |

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

loopha13 | easy | 19356 | 18150 | 0 | 1206 | 23758 | 41809 | Hamideh | -- | 6.40233 | benchmark_suitable aggregations precedence variable_bound invariant_knapsack mixed_binary |

neos-3209519-ruhr | easy | 8675 | 8000 | 0 | 675 | 12500 | 61725 | Jeff Linderoth | neos-pseudoapplication-14 | 467.5 | decomposition benchmark_suitable variable_bound set_partitioning cardinality knapsack mixed_binary |

ns1830653 | easy | 1629 | 1458 | 0 | 171 | 2932 | 100933 | NEOS Server Submission | neos-pseudoapplication-110 | 20622 | benchmark benchmark_suitable variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack mixed_binary |

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Last Update Mai 20, 2021 by Philipp Wellner

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