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

A. Zymolka | 32 | 16 | 1.5625e-01 | easy | enlight | Infeasible | enlight4.mps.gz |

Model to solve instance of a combinatorial game ``EnLightâ€™â€™ Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 32 | 32 |

Constraints | 16 | 16 |

Binaries | 16 | 19 |

Integers | 16 | 13 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.15625 | 0.15625 |

Nonzeroes | 80 | 80 |

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

Total | 16 | 16 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 0 | 0 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 3 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 0 | 0 |

General Linear | 16 | 13 |

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 | 0.69897 | ||||

Constraint % | 6.25 | 6.25 | 6.25 | 6.25 | |

Variable % | 12.50 | 12.50 | 12.50 | 12.50 | |

Score | 0.21875 |

No solution available for enlight4 .

The following instances are most similar to enlight4 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

enlight8 | easy | 128 | 64 | 64 | 0 | 64 | 352 | A. Zymolka | enlight | 27 | equation_knapsack general_linear |

enlight9 | easy | 162 | 81 | 81 | 0 | 81 | 450 | A. Zymolka | enlight | Infeasible | infeasible equation_knapsack general_linear |

enlight11 | easy | 242 | 121 | 121 | 0 | 121 | 682 | A. Zymolka | enlight | Infeasible | infeasible equation_knapsack general_linear |

enlight_hard | easy | 200 | 100 | 100 | 0 | 100 | 560 | A. Zymolka | enlight | 37 | benchmark benchmark_suitable equation_knapsack general_linear |

nexp-50-20-1-1 | easy | 490 | 245 | 0 | 245 | 540 | 1225 | MIPLIB submission pool | exp_and_fc | 28.99999999999999 | decomposition variable_bound mixed_binary |

`No bibliographic information available`

Last Update 2024 by Julian Manns

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