Submitter Variables Constraints Density Status Group Objective MPS File
Michael Winkler 903 903 5.75846e-02 easy 45592 supportcase20.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 903 902
Constraints 903 602
Binaries 300 299
Integers 0 1
Continuous 603 602
Implicit Integers 0 1
Fixed Variables 0 0
Nonzero Density 0.0575846 0.0859147
Nonzeroes 46955 46652
Constraint Classification Properties
Original Presolved
Total 903 602
Empty 0 0
Free 0 0
Singleton 300 0
Aggregations 1 1
Precedence 0 0
Variable Bound 300 299
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 0
Mixed Binary 302 300
General Linear 0 2
Indicator 0 0

Structure

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

value min median mean max
Components 2.478566
Constraint % 0.166113 0.166113 0.166113 0.166113
Variable % 0.221484 0.221484 0.221484 0.221484
Score 0.497235

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 45592 45592 0 0 0 - 2018-10-15 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase20 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
dano3mip 13873 552 0 13321 3202 79655 Daniel Bienstock dano open 691.8961039*
dano3_5 13873 115 0 13758 3202 79655 Daniel Bienstock dano easy 576.924915956562
dano3_3 13873 69 0 13804 3202 79655 Daniel Bienstock dano easy 576.34463303
dg012142 2080 640 0 1440 6310 14795 A. Miller hard 2300867
set3-09 4019 1424 0 2595 3747 13747 Kerem Akartunali set3 open 187000.75363*

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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