Submitter Variables Constraints Density Status Group Objective MPS File
G. Cornuéjols, M. Dawande 45 5 9.02222e-01 easy markshare 1 markshare_5_0.mps.gz

Market sharing problem

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 45 45
Constraints 5 5
Binaries 40 40
Integers 0 5
Continuous 5 0
Implicit Integers 0 5
Fixed Variables 0 0
Nonzero Density 0.902222 0.902222
Nonzeroes 203 203
Constraint Classification Properties
Original Presolved
Total 5 10
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 0 0
Integer Knapsack 0 5
Mixed Binary 5 0
General Linear 0 5
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 0.301030
Constraint % 40.0000 40.0000 40.0000 40.0000
Variable % 93.3333 93.3333 93.3333 93.3333
Score 0.026667

Best Known Solution(s)

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 1 1 0 0 0 - 2018-10-29 Solution found during MIPLIB2017 problem selection.
1 1 1 0 0 0 - 2018-10-11 Solution imported from MIPLIB2010.

Similar instances in collection

The following instances are most similar to markshare_5_0 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
markshare1 62 50 0 12 6 312 G. Cornuéjols, M. Dawande markshare easy 0.9999999999991
markshare_4_0 34 30 0 4 4 123 G. Cornuéjols, M. Dawande markshare easy 1
markshare2 74 60 0 14 7 434 G. Cornuéjols, M. Dawande markshare hard 1
gt2 188 24 164 0 29 376 MIPLIB submission pool easy 21166
neos-5045105-creuse 3848 0 3780 68 252 23108 Jeff Linderoth neos-pseudoapplication-78 open 20.5714290993*

Reference

@article{AardalBixbyHurkensEtal2000,
 author = {K. Aardal and R. E. Bixby and  C. A. J. Hurkens and A. K. Lenstra and J. W. Smeltink},
 instance = {markshare1,markshare2},
 journal = {INFORMS Journal on Computing},
 language = {English},
 number = {3},
 pages = {192--202},
 title = {Market split and basis reduction: Towards a solution of the
{C}ornu{\'e}jols-{D}awande instances},
 volume = {12},
 year = {2000}
}

@article{CornuejolsDawande1999,
 author = {G. Cornu{\'e}jols and M. Dawande},
 instance = {markshare1,markshare2},
 journal = {INFORMS Journal on Computing},
 language = {English},
 number = {2},
 pages = {205--210},
 title = {A Class of Hard Small 0-1 Programs},
 volume = {11},
 year = {1999}
}

Last Update Nov 19, 2018 by Gregor Hendel
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