bmoipr2

decomposition numerics aggregations variable_bound set_packing mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
Sean MacDermant 20503 13897 1.91798e-04 easy -46416168.298 bmoipr2.mps.gz

BMO IPR2 Logistics

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 20503 17265
Constraints 13897 12263
Binaries 8434 7616
Integers 0 0
Continuous 12069 9649
Implicit Integers 0 0
Fixed Variables 2420 0
Nonzero Density 0.000191798 0.000233010
Nonzeroes 54649 49333
Constraint Classification Properties
Original Presolved
Total 13897 12263
Empty 0 0
Free 0 0
Singleton 814 0
Aggregations 0 524
Precedence 0 0
Variable Bound 7659 7025
Set Partitioning 0 0
Set Packing 1939 1939
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 3485 2775
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 3.433770
Constraint % 0.00815 0.0285081 0.0326184 0.0652369
Variable % 0.00975 0.0275927 0.0292640 0.0536507
Score 0.773448

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 -46416168 -46415592 7.1e-06 0 1e-07 - 2018-10-12 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to bmoipr2 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
app3 easy 3080 100 0 2980 766 14707 Emilie Danna app 5751714.3289 variable_bound set_packing mixed_binary
momentum1 easy 5174 2349 0 2825 42680 103191 T. Koch momentum 109143.4935 benchmark benchmark_suitable aggregations precedence variable_bound set_partitioning mixed_binary
sing326 hard 55156 40010 0 15146 50781 268173 Daniel Espinoza sing 7753674.85376 benchmark decomposition benchmark_suitable aggregations variable_bound set_partitioning cardinality mixed_binary
sing44 hard 59708 43524 0 16184 54745 281260 Daniel Espinoza sing 8128831.1772 benchmark decomposition benchmark_suitable aggregations variable_bound set_partitioning cardinality mixed_binary
supportcase25 easy 6769 576 0 6193 6673 22825 Michael Winkler 0.04829280869043 decomposition numerics aggregations variable_bound mixed_binary

Reference

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Last Update Jun 24, 2019 by Gregor Hendel
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