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

Jeff Linderoth | 2090 | 200 | 9.54545e-03 | hard | neos-pseudoapplication-105 | 159 | neos-3530905-gaula.mps.gz |

Detailed explanation of the following tables can be found here.

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

Variables | 2090 | 2090 |

Constraints | 200 | 200 |

Binaries | 190 | 190 |

Integers | 1900 | 1900 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00954545 | 0.00954545 |

Nonzeroes | 3990 | 3990 |

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

Total | 200 | 200 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

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 | 0 | 0 |

General Linear | 200 | 200 |

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 | 2.281033 | ||||

Constraint % | 0.500000 | 0.500000 | 0.500000 | 0.500000 | |

Variable % | 0.526316 | 0.526316 | 0.526316 | 0.526316 | |

Score | 0.945000 |

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 | 159 | 159 | 0 | 0 | 0 | - | 2018-10-16 | Solution found during MIPLIB2017 problem selection. |

2 | 159 | 159 | 0 | 0 | 0 | Frederic Didier | 2020-01-22 | Solved with Google OR-tools using 8 Threads through generating subproblems by fixing part of the current solution and trying to solve them with a sub CP-SAT solver |

The following instances are most similar to neos-3530905-gaula 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

neos-3530903-gauja | easy | 2310 | 420 | 1890 | 0 | 220 | 4410 | Jeff Linderoth | neos-pseudoapplication-105 | 168 | decomposition benchmark_suitable mixed_binary general_linear |

neos-3381206-awhea | easy | 2375 | 475 | 1900 | 0 | 479 | 4275 | Jeff Linderoth | neos-pseudoapplication-105 | 453 | benchmark decomposition benchmark_suitable integer_knapsack general_linear |

neos-3426085-ticino | open | 4688 | 879 | 3809 | 0 | 308 | 9083 | Jeff Linderoth | neos-pseudoapplication-105 | 225* | decomposition mixed_binary general_linear |

neos-3426132-dieze | open | 11550 | 2750 | 8800 | 0 | 570 | 22550 | Jeff Linderoth | neos-pseudoapplication-105 | 407* | decomposition mixed_binary general_linear |

neos-4165869-wannon | hard | 31728 | 480 | 31248 | 0 | 85865 | 270474 | Hans Mittelmann | neos-pseudoapplication-44 | 293 | precedence variable_bound set_partitioning set_packing invariant_knapsack integer_knapsack general_linear |

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Last Update Mai 20, 2021 by Philipp Wellner

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