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

Matthew Galati | 6480 | 4380 | 2.07445e-03 | hard | – | 2463621.57727541 | atm20-100.mps.gz |

ATM cash management problem. Solved with COIN/DIP in 1066 sec. (1 thread) / 259 sec. (8 threads) in June 2011.

Imported from MIPLIB2010.

Detailed explanation of the following tables can be found here.

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

Variables | 6480 | 6469 |

Constraints | 4380 | 4369 |

Binaries | 2220 | 2209 |

Integers | 0 | 0 |

Continuous | 4260 | 4260 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00207445 | 0.00208205 |

Nonzeroes | 58878 | 58845 |

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

Total | 4380 | 4369 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 2220 | 2209 |

Set Partitioning | 20 | 20 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 20 | 20 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 2120 | 2120 |

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 | 1.322219 | ||||

Constraint % | 4.82948 | 4.88556 | 4.89815 | 4.89815 | |

Variable % | 4.95370 | 4.99151 | 5.00000 | 5.00000 | |

Score | 0.928338 |

No solution available for atm20-100 .

The following instances are most similar to atm20-100 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 |
---|---|---|---|---|---|---|---|---|---|---|

mtest4ma | 1950 | 975 | 0 | 975 | 1174 | 4875 | MIPLIB submission pool | – | easy | 52148 |

australia-abs-cta | 49758 | 918 | 0 | 48840 | 3946 | 33792 | Jordi Castro | cta | open | 106.0589096029* |

sp150x300d | 600 | 300 | 0 | 300 | 450 | 1200 | MIPLIB submission pool | sp_product | easy | 69 |

lotsize | 2985 | 1195 | 0 | 1790 | 1920 | 6565 | Dinakar Gade, Simge Kucukyavuz | – | easy | 1480195 |

danoint | 521 | 56 | 0 | 465 | 664 | 3232 | Daniel Bienstock | dano | easy | 65.6666666666 |

```
@phdthesis{Galati2010,
author = {Matthew Galati},
language = {English},
school = {Lehigh University},
title = {Decomposition Methods for Integer Linear Programming},
year = {2010}
}
```

Last Update Nov 09, 2018 by Gregor Hendel

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