nj2

no_solution decomposition precedence variable_bound set_partitioning mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
Jonathan Eckstein 85224 118975 3.59319e-05 open nj NA nj2.mps.gz

Electoral district design with various levels of symmetry breaking constraints.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 85224 85212
Constraints 118975 118951
Binaries 14280 14280
Integers 0 0
Continuous 70944 70932
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 3.59319e-05 3.59394e-05
Nonzeroes 364332 364284
Constraint Classification Properties
Original Presolved
Total 118975 118951
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 7128 7116
Variable Bound 66324 66312
Set Partitioning 607 607
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 44916 44916
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 1.113943
Constraint % 8.29081 8.29081 8.29081 8.29081
Variable % 8.33333 8.33333 8.33333 8.33333
Score 0.911989

Best Known Solution(s)

No solution available for nj2 .

Similar instances in collection

The following instances are most similar to nj2 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
nj3 open 85224 14280 0 70944 118986 377422 Jonathan Eckstein nj no_solution decomposition precedence variable_bound set_partitioning mixed_binary
nj1 open 78084 14280 0 63804 97579 321540 Jonathan Eckstein nj no_solution decomposition variable_bound set_partitioning mixed_binary
neos-799711 easy 41998 910 0 41088 59218 147164 NEOS Server Submission neos-pseudoapplication-25 -11170211.734 numerics aggregations precedence variable_bound set_partitioning set_packing cardinality mixed_binary
neos-5078479-escaut easy 3471 1330 0 2141 3442 9062 Jeff Linderoth neos-pseudoapplication-35 9682.3381787 benchmark_suitable aggregations variable_bound mixed_binary
bharat open 590519 122614 0 467905 1299953 3565460 Gavin Goodall 4193333.93287* numerics aggregations precedence variable_bound mixed_binary

Reference

No bibliographic information available

Last Update Jun 24, 2019 by Gregor Hendel
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