stein45inf

infeasible binary variable_bound set_covering invariant_knapsack mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 45 332 7.22222e-02 easy stein Infeasible stein45inf.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 45 45
Constraints 332 332
Binaries 45 45
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0722222 0.0722222
Nonzeroes 1079 1079
Constraint Classification Properties
Original Presolved
Total 332 332
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 1 1
Set Partitioning 0 0
Set Packing 0 0
Set Covering 329 329
Cardinality 0 0
Invariant Knapsack 1 1
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 1 1
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 % 0.301205 0.301205 0.301205 0.301205
Variable % 4.444440 4.444440 4.444440 4.444440
Score 0.002878

Best Known Solution(s)

No solution available for stein45inf .

Similar instances in collection

The following instances are most similar to stein45inf 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
stein15inf easy 15 15 0 0 37 135 MIPLIB submission pool stein Infeasible infeasible binary set_covering invariant_knapsack mixed_binary
stein9inf easy 9 9 0 0 14 54 MIPLIB submission pool stein Infeasible infeasible binary set_covering invariant_knapsack mixed_binary
f2000 open 4000 4000 0 0 10500 29500 M. Winkler no_solution binary variable_bound set_covering
seymour easy 1372 1372 0 0 4944 33549 W. Cook, P. Seymour 423 benchmark binary benchmark_suitable variable_bound set_covering
ramos3 open 2187 2187 0 0 2187 32805 F. Ramos 195* binary set_covering

Reference

No bibliographic information available

Last Update Apr 09, 2019 by Gregor Hendel
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