neos-3352863-ancoa

set_covering mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
Jeff Linderoth 20046 169 2.56581e-01 hard neos-pseudoapplication-100 28700 neos-3352863-ancoa.mps.gz

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 20046 20046
Constraints 169 169
Binaries 20045 20045
Integers 0 0
Continuous 1 1
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.256581 0.256581
Nonzeroes 869239 869239
Constraint Classification Properties
Original Presolved
Total 169 169
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 0 0
Set Partitioning 0 0
Set Packing 0 0
Set Covering 70 70
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 99 99
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 0.301030
Constraint % 41.4201 41.4201 41.4201 41.4201
Variable % 97.7302 97.7302 97.7302 97.7302
Score 0.009401

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
2 2 28700 0 0 0 Hans Mittelmann 2020-02-04 Found with Gurobi 9.0 using 48 Threads
1 1 29000 29000 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-3352863-ancoa 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
scpn2 open 1000000 1000000 0 0 5000 12500000 Shunji Umetani scp 534* binary set_covering
scpj4scip open 99947 99947 0 0 1000 999893 Shunji Umetani scp 129.0* binary set_covering
scpl4 open 200000 200000 0 0 2000 2000000 Shunji Umetani scp 263.0* binary set_covering
scpm1 open 500000 500000 0 0 5000 6250000 Shunji Umetani scp 561.0* binary set_covering
scpk4 open 100000 100000 0 0 2000 1000000 Shunji Umetani scp 321.0* binary set_covering

Reference

No bibliographic information available

Last Update Jun 24, 2020 by Gabriel Kressin
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