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

Jeff Linderoth | 253 | 402 | 1.46304e-02 | easy | neos-pseudoapplication-107 | 12941.73838561778 | neos-3754480-nidda.mps.gz |

Solved with COPT 7.0 using up to 12 threads in less than 60 minutes.

Detailed explanation of the following tables can be found here.

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

Variables | 253 | 253 |

Constraints | 402 | 402 |

Binaries | 50 | 50 |

Integers | 0 | 0 |

Continuous | 203 | 203 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.0146304 | 0.0146304 |

Nonzeroes | 1488 | 1488 |

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

Total | 402 | 402 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 100 | 100 |

Variable Bound | 100 | 100 |

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 | 1 | 1 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 201 | 201 |

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 % | 75.1244 | 75.1244 | 75.1244 | 75.1244 | |

Variable % | 60.0791 | 60.0791 | 60.0791 | 60.0791 | |

Score | 0.299904 |

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 | 12941.74 | 12941.74 | 0.0e+00 | 0e+00 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

1 | 12941.69 | 12941.74 | 8.2e-06 | 3e-07 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-3754480-nidda 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

bg512142 | hard | 792 | 240 | 0 | 552 | 1307 | 3953 | A. Miller | – | 184202.75 | aggregations precedence variable_bound mixed_binary |

tr12-30 | easy | 1080 | 360 | 0 | 720 | 750 | 2508 | MIPLIB submission pool | – | 130595.9999999999 | benchmark decomposition benchmark_suitable aggregations variable_bound mixed_binary |

dg012142 | hard | 2080 | 640 | 0 | 1440 | 6310 | 14795 | A. Miller | – | 2300867 | aggregations precedence variable_bound 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 |

set3-10 | hard | 4019 | 1424 | 0 | 2595 | 3747 | 13747 | Kerem Akartunali | set3 | 185179.043049708 | precedence variable_bound mixed_binary |

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