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

Hamideh | 19356 | 23758 | 9.09168e-05 | easy | – | 6.40233 | loopha13.mps.gz |

This is a Gams model which uses CPLEX as a solver.

Imported from the MIPLIB2010 submissions.

Detailed explanation of the following tables can be found here.

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

Variables | 19356 | 5245 |

Constraints | 23758 | 9643 |

Binaries | 18150 | 4045 |

Integers | 0 | 0 |

Continuous | 1206 | 1200 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 9.09168e-05 | 5.43581e-04 |

Nonzeroes | 41809 | 27493 |

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

Total | 23758 | 9643 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 14060 | 0 |

Aggregations | 771 | 772 |

Precedence | 991 | 989 |

Variable Bound | 99 | 98 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 1190 | 1142 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 6647 | 6642 |

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 | 2.654177 | ||||

Constraint % | 0.0109075 | 0.0612275 | 0.0218150 | 2.00698 | |

Variable % | 0.0381316 | 0.1796840 | 0.0571973 | 3.52717 | |

Score | 0.272272 |

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 | 6.40233 | 6.40233 | 0 | 0 | 0 | - | 2018-10-11 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to loopha13 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

istanbul-no-cutoff | easy | 5282 | 30 | 0 | 5252 | 20346 | 71477 | Utz-Uwe Haus | – | 204.08170701 | benchmark benchmark_suitable aggregations variable_bound knapsack mixed_binary |

net12 | easy | 14115 | 1603 | 0 | 12512 | 14021 | 80384 | P. Belotti | – | 214 | benchmark decomposition benchmark_suitable precedence set_packing cardinality invariant_knapsack mixed_binary |

csched007 | easy | 1758 | 1457 | 0 | 301 | 351 | 6379 | Tallys Yunes | csched | 351 | benchmark benchmark_suitable aggregations variable_bound set_partitioning mixed_binary general_linear |

ic97_tension | easy | 703 | 176 | 4 | 523 | 319 | 2070 | MIPLIB submission pool | – | 3942 | benchmark_suitable aggregations mixed_binary general_linear |

app1-1 | easy | 2480 | 1225 | 0 | 1255 | 4926 | 18275 | Emilie Danna | app | -3 | benchmark benchmark_suitable precedence variable_bound set_covering mixed_binary |

`No bibliographic information available`

Last Update Mai 28, 2020 by Gabriel Kressin

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