neos-1420546

decomposition set_partitioning mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 26055 12671 2.05847e-04 open neos-pseudoapplication-9 23011.81329776996* neos-1420546.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 26055 26055
Constraints 12671 12671
Binaries 1125 1125
Integers 0 0
Continuous 24930 24930
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000205847 0.000205847
Nonzeroes 67959 67959
Constraint Classification Properties
Original Presolved
Total 12671 12671
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 0 0
Set Partitioning 125 125
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 12546 12546
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 1.00000
Constraint % 11.0015 11.0015 11.0015 11.0015
Variable % 11.1111 11.1111 11.1111 11.1111
Score 0.88012

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion
ID Objective Exact Int. Viol Cons. Viol Obj. Viol Submitter Date Description
2 23011.81 0 0 0 Robert Ashford and Alkis Vazacopoulus 2019-12-18 Found using ODH|CPlex
1 23029.18 23029.18 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-1420546 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
neos-1420790 open 4926 540 0 4386 2310 12720 NEOS Server Submission neos-pseudoapplication-9 3120.439334905983* decomposition set_partitioning mixed_binary
germany50-UUM hard 6971 0 88 6883 2088 20737 MIPLIB submission pool network_design 628490 decomposition aggregations mixed_binary general_linear
neos-3665875-lesum easy 3128 320 0 2808 3184 10640 Jeff Linderoth neos-pseudoapplication-9 3274.81 benchmark_suitable set_covering invariant_knapsack mixed_binary
rmatr200-p20 hard 29605 200 0 29405 29406 88415 Dmitry Krushinsky rmatr 837 cardinality mixed_binary
rmatr100-p10 easy 7359 100 0 7259 7260 21877 Dmitry Krushinsky rmatr 423 benchmark benchmark_suitable cardinality mixed_binary

Reference

No bibliographic information available

Last Update Mar 04, 2024 by Julian Manns
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