Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 11998 35407 2.49244e-04 open neos-pseudoapplication-6 63.73295615276 ns1856153.mps.gz

Sensor placement problem

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 11998 11690
Constraints 35407 31780
Binaries 11956 11648
Integers 0 0
Continuous 42 42
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000249244 0.000255009
Nonzeroes 105882 94738
Constraint Classification Properties
Original Presolved
Total 35407 31780
Empty 0 0
Free 0 0
Singleton 126 0
Aggregations 0 0
Precedence 11116 10584
Variable Bound 28 28
Set Partitioning 0 0
Set Packing 0 0
Set Covering 0 182
Cardinality 1 0
Invariant Knapsack 784 10010
Equation Knapsack 0 0
Bin Packing 0 9464
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 23352 1512
General Linear 0 0
Indicator 0 0

Structure

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

value min median mean max
Components 0.698970
Constraint % 14.8899 16.0793 14.8899 19.6476
Variable % 21.2369 21.3244 21.2369 21.5869
Score 0.505894

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
1 63.73296 63.73296 0 0 0 - 2018-10-12 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to ns1856153 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
neos-555424 3815 3800 15 0 2676 15667 NEOS Server Submission neos-pseudoapplication-15 easy 1286800
ns1904248 38458 38416 0 42 149437 377258 NEOS Server Submission neos-pseudoapplication-6 open 79.3919486409*
neos-555343 3815 3800 15 0 3326 16967 NEOS Server Submission neos-pseudoapplication-15 easy 1512800
decomp1 10735 10735 0 0 8357 47889 Martin Berger easy -120
decomp2 14387 14387 0 0 10765 64073 Martin Berger easy -160

Reference

@misc{neos,
 key = {zzz neos},
 note = {http://www.neos-server.org},
 title = {{NEOS} {S}erver for {O}ptimization},
 year = {2011}
}

Last Update Nov 17, 2018 by Gregor Hendel
generated with R Markdown
© 2018 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
Imprint