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

B. Krishnamoorthy, G. Pataki | 100 | 1 | 1 | easy | – | Infeasible | p2m2p1m1p0n100.mps.gz |

A 0-1 knapsack problem constructed to be difficult

Imported from MIPLIB2010.

Detailed explanation of the following tables can be found here.

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

Variables | 100 | 100 |

Constraints | 1 | 1 |

Binaries | 100 | 100 |

Integers | 0 | 0 |

Continuous | 0 | 0 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 1 | 1 |

Nonzeroes | 100 | 100 |

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

Total | 2 | 2 |

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 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 1 | 1 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 1 | 1 |

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 | 0.30103 | ||||

Constraint % | 100 | 100 | 100 | 100 | |

Variable % | 100 | 100 | 100 | 100 | |

Score | 0.00000 |

No solution available for p2m2p1m1p0n100 .

The following instances are most similar to p2m2p1m1p0n100 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 | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Status | Objective |
---|---|---|---|---|---|---|---|---|---|---|

mod008inf | 319 | 319 | 0 | 0 | 7 | 1562 | MIPLIB submission pool | mod | easy | Infeasible |

d20200 | 4000 | 4000 | 0 | 0 | 1502 | 189389 | COR@L test set | – | open | 12252* |

pb-market-split8-70-4 | 71 | 71 | 0 | 0 | 17 | 1113 | Gleb Belov | pb- | open | |

10teams | 2025 | 1800 | 0 | 225 | 230 | 12150 | MIPLIB submission pool | – | easy | 924 |

h80x6320 | 12640 | 6320 | 0 | 6320 | 79 | 6320 | MIPLIB submission pool | fixed-cost-network-flow | easy | 3700 |

`No bibliographic information available`

Last Update Nov 19, 2018 by Gregor Hendel

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