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

MIPLIB submission pool | 4161 | 1446 | 2.04627e-03 | easy | network_design | 25148940.55999998 | cost266-UUE.mps.gz |

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 4161 | 4161 |

Constraints | 1446 | 1446 |

Binaries | 171 | 171 |

Integers | 0 | 0 |

Continuous | 3990 | 3990 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00204627 | 0.00204627 |

Nonzeroes | 12312 | 12312 |

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

Total | 1446 | 1446 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 9 | 9 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 57 |

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 | 1437 | 1380 |

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 | 1.973128 | ||||

Constraint % | 0.0691563 | 1.03288 | 0.0691563 | 2.55878 | |

Variable % | 0.0720981 | 1.07527 | 0.0720981 | 2.69166 | |

Score | 0.936016 |

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 | 25148941 | 25148941 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to cost266-UUE 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

mod011 | easy | 10958 | 96 | 0 | 10862 | 4480 | 22254 | MIPLIB submission pool | mod | -54558535.59 | numerics aggregations variable_bound set_packing mixed_binary |

dsbmip | easy | 1886 | 192 | 0 | 1694 | 1182 | 7366 | MIPLIB submission pool | – | -305.19817501 | aggregations precedence variable_bound set_partitioning mixed_binary |

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 |

gasprod1-2 | easy | 10752 | 3716 | 0 | 7036 | 27169 | 200460 | Andrew Stamps | gasprod | 983.039488258 | numerics aggregations precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary |

gasprod1-3 | easy | 10752 | 3717 | 0 | 7035 | 27169 | 200463 | Andrew Stamps | gasprod | 2310.0993127 | numerics aggregations precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary |

`No bibliographic information available`

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