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

Jeff Linderoth | 1533 | 1848 | 2.82635e-03 | easy | neos-pseudoapplication-43 | 2612710 | neos-4954672-berkel.mps.gz |

Solved with COPT 7.0 using up to 12 threads in less than 30 minutes.

Detailed explanation of the following tables can be found here.

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

Variables | 1533 | 1071 |

Constraints | 1848 | 1074 |

Binaries | 630 | 168 |

Integers | 0 | 0 |

Continuous | 903 | 903 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00282635 | 0.00540663 |

Nonzeroes | 8007 | 6219 |

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

Total | 1848 | 1074 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 18 | 18 |

Precedence | 0 | 0 |

Variable Bound | 798 | 42 |

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 | 1032 | 1014 |

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 | 1.113943 | ||||

Constraint % | 2.23464 | 6.35475 | 5.30726 | 20.9497 | |

Variable % | 1.69602 | 5.02283 | 4.30528 | 15.5251 | |

Score | 0.699285 |

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 | 2612710 | 2612710 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-4954672-berkel 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

exp-1-500-5-5 | easy | 990 | 250 | 0 | 740 | 550 | 1980 | MIPLIB submission pool | exp_and_fc | 65887 | benchmark benchmark_suitable variable_bound set_packing mixed_binary |

ic97_tension | easy | 703 | 176 | 4 | 523 | 319 | 2070 | MIPLIB submission pool | – | 3942 | benchmark_suitable aggregations mixed_binary general_linear |

dcmulti | easy | 548 | 75 | 0 | 473 | 290 | 1315 | MIPLIB submission pool | – | 188182 | decomposition precedence variable_bound set_packing cardinality invariant_knapsack mixed_binary |

app3 | easy | 3080 | 100 | 0 | 2980 | 766 | 14707 | Emilie Danna | app | 5751714.3289 | variable_bound set_packing mixed_binary |

neos-807639 | easy | 1030 | 80 | 0 | 950 | 1541 | 5520 | NEOS Server Submission | neos-pseudoapplication-79 | 454.1999999999998 | benchmark_suitable aggregations variable_bound set_packing mixed_binary general_linear |

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