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

Qie He | 1310 | 2430 | 4.62099e-03 | easy | control | 406205618311810 | control20-5-10-5.mps.gz |

Optimal control of a discrete-time switched system model Numerically challenging. Different solvers report this instance as solved to optimality, infeasible, or unbounded.

Detailed explanation of the following tables can be found here.

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

Variables | 1310 | 1300 |

Constraints | 2430 | 2420 |

Binaries | 100 | 100 |

Integers | 0 | 0 |

Continuous | 1210 | 1200 |

Implicit Integers | 0 | 0 |

Fixed Variables | 0 | 0 |

Nonzero Density | 0.00462099 | 0.00466942 |

Nonzeroes | 14710 | 14690 |

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

Total | 2430 | 2420 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 10 | 0 |

Aggregations | 0 | 0 |

Precedence | 0 | 0 |

Variable Bound | 2000 | 2000 |

Set Partitioning | 20 | 20 |

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 | 400 | 400 |

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 % | 4.58678 | 4.60744 | 4.58678 | 5.00000 | |

Variable % | 4.96183 | 4.96183 | 4.96183 | 4.96183 | |

Score | 0.875765 |

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 | 4.062056e+14 | 4.062056e+14 | 0 | 0.0599859 | 0 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to control20-5-10-5 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 |
---|---|---|---|---|---|---|---|---|---|---|---|

control30-5-10-4 | easy | 1960 | 150 | 0 | 1810 | 3640 | 21460 | Qie He | control | Infeasible | infeasible decomposition numerics variable_bound set_partitioning mixed_binary |

control30-3-2-3 | easy | 332 | 90 | 0 | 242 | 512 | 1472 | Qie He | control | -17.25658927192 | decomposition numerics variable_bound set_partitioning mixed_binary |

neos-799711 | easy | 41998 | 910 | 0 | 41088 | 59218 | 147164 | NEOS Server Submission | neos-pseudoapplication-25 | -11170211.734 | numerics aggregations precedence variable_bound set_partitioning set_packing cardinality mixed_binary |

rentacar | easy | 9557 | 55 | 0 | 9502 | 6803 | 41842 | MIPLIB submission pool | – | 30356760.9838 | aggregations precedence variable_bound mixed_binary |

neos-5078479-escaut | easy | 3471 | 1330 | 0 | 2141 | 3442 | 9062 | Jeff Linderoth | neos-pseudoapplication-35 | 9682.3381787 | benchmark_suitable aggregations variable_bound mixed_binary |

```
@TECHREPORT{HeWu2017,
author="Q. He and Z. Wu",
title="Optimal control of a discrete-time switched system",
INSTITUTION ={Department of Industrial and Systems Engineering, University of Minnesota},
month={February},
year="2017"}
```

Last Update Jun 24, 2019 by Gregor Hendel

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