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

Hans Mittelmann | 205141 | 449690 | 1.41044e-05 | open | neos-pseudoapplication-45 | -1048730.84101147* | neos-3615091-sutlej.mps.gz |

Collection of anonymous submissions to the NEOS Server for Optimization

Detailed explanation of the following tables can be found here.

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

Variables | 205141 | 203130 |

Constraints | 449690 | 448680 |

Binaries | 153520 | 151510 |

Integers | 0 | 0 |

Continuous | 51621 | 51620 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 1.41044e-05 | 1.42430e-05 |

Nonzeroes | 1301130 | 1298110 |

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

Total | 449690 | 448680 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 0 | 0 |

Aggregations | 52520 | 52520 |

Precedence | 245520 | 245520 |

Variable Bound | 1010 | 1000 |

Set Partitioning | 1010 | 1020 |

Set Packing | 100 | 100 |

Set Covering | 98010 | 0 |

Cardinality | 990 | 980 |

Invariant Knapsack | 10 | 98020 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 50520 | 49520 |

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 | |||||

Constraint % | |||||

Variable % | |||||

Score |

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 | 3 | -1048730.8 | 7.5e-06 | 0 | 0 | Edward Rothberg | 2020-02-04 | Found with Gurobi 9.0 | |

3 | 2 | -1007280.4 | 0.0e+00 | 0 | 0 | Robert Ashford and Alkis Vazacopoulus | 2019-12-18 | Found using ODH|CPlex | |

2 | 1 | -930273.2 | -930273.2 | 0.0e+00 | 0 | 0 | - | 2018-10-15 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to neos-3615091-sutlej 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

gasprod2-2 | easy | 29568 | 6826 | 0 | 22742 | 72728 | 280740 | Andrew Stamps | gasprod | 1375631.6625 | numerics aggregations precedence variable_bound set_packing invariant_knapsack binpacking mixed_binary |

neos-2974461-ibar | open | 214730 | 200352 | 14378 | 0 | 214107 | 2303100 | Jeff Linderoth | neos-pseudoapplication-45 | 468906174.771* | numerics aggregations precedence set_partitioning set_packing integer_knapsack general_linear |

ns1631475 | open | 22696 | 22470 | 211 | 15 | 24496 | 116733 | NEOS Server Submission | neos-pseudoapplication-75 | 11100* | decomposition precedence variable_bound set_partitioning cardinality mixed_binary general_linear |

unitcal_7 | easy | 25755 | 2856 | 0 | 22899 | 48939 | 127595 | R. O’Neill | – | 19635558.244 | benchmark benchmark_suitable precedence variable_bound mixed_binary general_linear |

neos-5041822-cockle | open | 227668 | 149313 | 0 | 78355 | 546733 | 1362470 | Jeff Linderoth | neos-pseudoapplication-25 | 5724245.70446761* | aggregations precedence variable_bound set_packing mixed_binary |

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Last Update Mär 25, 2020 by Gabriel Kressin

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