Submitter Variables Constraints Density Status Group Objective MPS File
Michael Winkler 138844 6532 3.13756e-03 easy -1132.223177 supportcase7.mps.gz

MIP instances collected from Gurobi forum with unknown application

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 138844 21692
Constraints 6532 5008
Binaries 451 405
Integers 14 0
Continuous 138379 21287
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00313756 0.00470573
Nonzeroes 2845540 511200
Constraint Classification Properties
Original Presolved
Total 6532 5008
Empty 7 0
Free 0 0
Singleton 109 0
Aggregations 0 0
Precedence 449 431
Variable Bound 32 12
Set Partitioning 0 0
Set Packing 0 0
Set Covering 0 0
Cardinality 0 0
Invariant Knapsack 640 634
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 4711 3931
General Linear 584 0
Indicator 0 0

Structure

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

value min median mean max
Components 1.041393
Constraint % 0.019976 2.151420 0.019976 21.33440
Variable % 0.009210 0.195293 0.009210 1.87002
Score 0.211152

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 -1132.223 0 4e-07 2e-07 - 2018-10-15 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase7 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
dell 626 105 0 521 500 4580 MIPLIB submission pool easy Infeasible
supportcase23 24275 6250 0 18025 40502 161525 Michael Winkler open -12121.57006*
ns1690781 5736 2880 0 2856 11181 262360 NEOS Server Submission neos-pseudoapplication-8 open -915.666320137*
neos-5182409-nasivi 2005 1600 0 405 580 14884 Jeff Linderoth neos-pseudoapplication-32 easy 301.99999992
irish-electricity 61728 9888 0 51840 104259 523257 Paula Carroll easy 3723497.591396

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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