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

Simon Felix | 319319 | 58085 | 7.45632e-05 | open | fhnw-bin | 16088.0* | fhnw-binschedule0.mps.gz |

Scheduling/assignment for an industrial production pipeline

Detailed explanation of the following tables can be found here.

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

Variables | 319319 | 319307 |

Constraints | 58085 | 57341 |

Binaries | 316270 | 316270 |

Integers | 3048 | 3036 |

Continuous | 1 | 1 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 7.45632e-05 | 7.54800e-05 |

Nonzeroes | 1382970 | 1381990 |

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

Total | 58085 | 57341 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 508 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 37300 | 37064 |

Set Partitioning | 939 | 939 |

Set Packing | 508 | 508 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 64 | 64 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 15724 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 15730 | 6 |

General Linear | 3036 | 3036 |

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 | 2.758155 | ||||

Constraint % | 0.0575504 | 0.160944 | 0.167419 | 0.214506 | |

Variable % | 0.1396770 | 0.172952 | 0.168489 | 0.305347 | |

Score | 0.918971 |

Find solutions below. Download the archive containing all solutions from the Download page.

`## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion`

ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description |
---|---|---|---|---|---|---|---|---|

5 | 16088 | 16088 | 0 | 0 | 0 | Davletshin Mars | 2024-04-23 | It was obtained with Optverse solver (0.7.0) using machine learning-based LNS. |

4 | 16092 | 0 | 0 | 0 | Mou Sun, Tao Li, Wotao Yin | 2023-12-22 | Results computed using an adapted CPLEX with a 2-hour limit; details in the report “MindOpt Adapter for CPLEX Benchmarking Performance Analysis” (arXiv preprint: 2312.13527, 2023). | |

3 | 16122 | 16122 | 0 | 0 | 0 | Edward Rothberg | 2021-11-19 | Found with the NoRel heuristic in Gurobi 9.5. |

2 | 16128 | 0 | 0 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

1 | 16642 | 16642 | 0 | 0 | 0 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to fhnw-binschedule0 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.

`No bibliographic information available`

Last Update 2024 by Julian Manns

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