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

Simon Felix | 520 | 620 | 7.23325e-03 | easy | binpack | Infeasible | fhnw-binpack4-4.mps.gz |

Feasability-only 3D bin packing with additional constraints. 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 | 520 | 420 |

Constraints | 620 | 465 |

Binaries | 481 | 381 |

Integers | 0 | 0 |

Continuous | 39 | 39 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00723325 | 0.00820276 |

Nonzeroes | 2332 | 1602 |

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

Total | 620 | 465 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 48 | 3 |

Variable Bound | 26 | 6 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 78 | 78 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 468 | 378 |

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 | 0.4771212 | ||||

Constraint % | 33.5484 | 41.6129 | 41.6129 | 49.6774 | |

Variable % | 32.5000 | 40.3846 | 40.3846 | 48.2692 | |

Score | 0.4834370 |

No solution available for fhnw-binpack4-4 .

The following instances are most similar to fhnw-binpack4-4 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

fhnw-binpack4-48 | easy | 3710 | 3605 | 0 | 105 | 4480 | 17290 | Simon Felix | binpack | 0 | benchmark feasibility benchmark_suitable precedence variable_bound invariant_knapsack mixed_binary |

fhnw-binpack4-77 | open | 3924 | 3816 | 0 | 108 | 4922 | 17726 | Simon Felix | binpack | no_solution feasibility precedence variable_bound invariant_knapsack mixed_binary | |

fhnw-binpack4-58 | open | 7550 | 7400 | 0 | 150 | 9900 | 35750 | Simon Felix | binpack | no_solution feasibility precedence variable_bound invariant_knapsack mixed_binary | |

fhnw-binpack4-18 | easy | 520 | 481 | 0 | 39 | 650 | 2392 | Simon Felix | binpack | Infeasible | infeasible feasibility benchmark_suitable invariant_knapsack mixed_binary |

neos-3211096-shag | hard | 4379 | 4289 | 90 | 0 | 10187 | 31705 | Jeff Linderoth | neos-pseudoapplication-38 | Infeasible | infeasible feasibility aggregations precedence variable_bound set_covering invariant_knapsack binpacking mixed_binary general_linear |

`No bibliographic information available`

Last Update 2024 by Julian Manns

generated with R Markdown

© by Zuse Institute Berlin (ZIB)

Imprint