gr4x6

variable_bound mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 48 34 5.88235e-02 easy 202.349999999998 gr4x6.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 48 48
Constraints 34 34
Binaries 24 24
Integers 0 0
Continuous 24 24
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0588235 0.0588235
Nonzeroes 96 96
Constraint Classification Properties
Original Presolved
Total 34 34
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 24 24
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 10 10
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 0.845098
Constraint % 14.7059 14.7059 14.7059 14.7059
Variable % 16.6667 16.6667 16.6667 16.6667
Score 0.735294

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
1 202.35 202.35 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to gr4x6 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 Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
g503inf easy 48 24 0 24 41 144 MIPLIB submission pool Infeasible infeasible variable_bound binpacking knapsack mixed_binary
ran12x21 easy 504 252 0 252 285 1008 J. Aronson ran 3664 decomposition benchmark_suitable variable_bound mixed_binary
ran13x13 easy 338 169 0 169 195 676 J. Aronson ran 3252 decomposition benchmark_suitable variable_bound mixed_binary
aflow30a easy 842 421 0 421 479 2091 T. Achterberg aflow 1158 decomposition benchmark_suitable variable_bound set_partitioning mixed_binary
ran14x18-disj-8 easy 504 252 0 252 447 10277 J. Aronson ran 3712 benchmark benchmark_suitable variable_bound set_covering mixed_binary

Reference

No bibliographic information available

Last Update Mär 19, 2019 by Gregor Hendel
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