Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 870 780 3.81963e-03 easy 112313.362718 gen.mps.gz

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 870 797
Constraints 780 622
Binaries 144 108
Integers 6 5
Continuous 720 684
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00381963 0.00416352
Nonzeroes 2592 2064
Constraint Classification Properties
Original Presolved
Total 786 627
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 438 335
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 6 5
Mixed Binary 336 282
General Linear 6 5
Indicator 0 0

Structure

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

value min median mean max
Components 1.397940
Constraint % 1.1254 3.44319 3.53698 4.34084
Variable % 2.8777 3.46723 3.47722 4.07674
Score 0.797451

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 112313.4 112313.4 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to gen 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
ran13x13 338 169 0 169 195 676 J. Aronson ran easy 3252.00000
ran12x21 504 252 0 252 285 1008 J. Aronson ran easy 3664.00000
bienst2 505 35 0 470 576 2184 H. Mittelmann easy 54.60000
bienst1 505 28 0 477 576 2184 MIPLIB submission pool easy 46.75000
newdano 505 56 0 449 576 2184 Daniel Bienstock dano easy 65.66667

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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