Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|
A. Chabrier, E. Danna, C. Le Pape, L. Perron | 4456 | 1667 | 2.22357e-03 | easy | rococo | 19449 | rococoB10-011000.mps.gz |
Model for dimensioning the arc capacities in a telecommunication network Imported from MIPLIB2010.
Detailed explanation of the following tables can be found here.
Original | Presolved | |
---|---|---|
Variables | 4456 | 3646 |
Constraints | 1667 | 856 |
Binaries | 4320 | 3510 |
Integers | 136 | 136 |
Continuous | 0 | 0 |
Implicit Integers | 0 | 98 |
Fixed Variables | 0 | 0 |
Nonzero Density | 0.00222357 | 0.00455851 |
Nonzeroes | 16517 | 14227 |
Original | Presolved | |
---|---|---|
Total | 1667 | 856 |
Empty | 0 | 0 |
Free | 0 | 0 |
Singleton | 811 | 0 |
Aggregations | 0 | 0 |
Precedence | 180 | 180 |
Variable Bound | 0 | 0 |
Set Partitioning | 90 | 90 |
Set Packing | 0 | 0 |
Set Covering | 0 | 0 |
Cardinality | 360 | 360 |
Invariant Knapsack | 0 | 0 |
Equation Knapsack | 0 | 0 |
Bin Packing | 0 | 0 |
Knapsack | 0 | 0 |
Integer Knapsack | 0 | 0 |
Mixed Binary | 0 | 0 |
General Linear | 226 | 226 |
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 | 1.959041 | ||||
Constraint % | 0.817757 | 0.992991 | 0.992991 | 1.16822 | |
Variable % | 0.216743 | 1.097260 | 1.097260 | 1.97778 | |
Score | 0.882497 |
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 |
---|---|---|---|---|---|---|---|---|
2 | 19449 | 19449 | 0 | 0 | 0 | - | 2018-10-29 | Solution found during MIPLIB2017 problem selection. |
1 | 19449 | 19449 | 0 | 0 | 0 | - | 2018-10-13 | Solution imported from MIPLIB2010. |
The following instances are most similar to rococoB10-011000 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.
@article{ChabrierDannaLePapePerron2004,
author = {Alain Chabrier and Emilie Danna and Claude Le~Pape and
Laurent Perron},
issue = {1-4},
journal = {Annals of Operations Research},
language = {English},
pages = {217--239},
title = {Solving a network design problem},
volume = {130},
year = {2004}
}