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

Domenico Salvagnin | 12941 | 6334 | 3.64873e-04 | open | – | -314.500022917186* | supportcase35.mps.gz |

Instance coming from IBM developerWorks forum with unknown application.

Detailed explanation of the following tables can be found here.

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

Variables | 12941 | 12940 |

Constraints | 6334 | 5182 |

Binaries | 576 | 576 |

Integers | 0 | 0 |

Continuous | 12365 | 12364 |

Implicit Integers | 0 | 0 |

Fixed Variables | 1 | 0 |

Nonzero Density | 0.000364873 | 0.000428841 |

Nonzeroes | 29908 | 28756 |

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

Total | 6334 | 5182 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 1152 | 0 |

Aggregations | 0 | 0 |

Precedence | 574 | 574 |

Variable Bound | 576 | 576 |

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 | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 4032 | 4032 |

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 % | 44.8090 | 44.8090 | 44.8090 | 44.8090 | |

Variable % | 11.7465 | 11.7465 | 11.7465 | 11.7465 | |

Score | 0.395455 |

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 |
---|---|---|---|---|---|---|---|---|

2 | -314.5 | 0 | 8e-07 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

1 | -314.5 | -2.861023e+14 | 0 | 0e+00 | 0 | - | 2018-10-12 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to supportcase35 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

buildingenergy | easy | 154978 | 0 | 26287 | 128691 | 277594 | 788969 | Kristopher A. Pruitt | – | 33283.853236 | benchmark benchmark_suitable aggregations precedence variable_bound mixed_binary general_linear |

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

neos-3754480-nidda | easy | 253 | 50 | 0 | 203 | 402 | 1488 | Jeff Linderoth | neos-pseudoapplication-107 | 12941.73838561778 | benchmark benchmark_suitable precedence variable_bound knapsack mixed_binary |

bts4-cta | open | 75400 | 2260 | 0 | 73140 | 45350 | 291904 | Jordi Castro | cta | 472243.4174959* | decomposition numerics variable_bound mixed_binary |

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

`No bibliographic information available`

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