neos6

benchmark_suitable set_packing set_covering invariant_knapsack knapsack mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 8786 1036 2.76794e-02 easy neos-pseudoapplication-47 83 neos6.mps.gz

Instance coming from the NEOS Server with unknown application

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 8786 8786
Constraints 1036 1036
Binaries 8340 8340
Integers 0 0
Continuous 446 446
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0276794 0.0276794
Nonzeroes 251946 251946
Constraint Classification Properties
Original Presolved
Total 1036 1036
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 550 550
Set Covering 48 48
Cardinality 0 0
Invariant Knapsack 30 30
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 10 10
Integer Knapsack 0 0
Mixed Binary 398 398
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 1.041393
Constraint % 5.69498 5.69498 5.69498 5.69498
Variable % 9.49237 9.49237 9.49237 9.49237
Score 0.515439

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 83 83 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.
1 83 83 0 0 0 - 2018-10-11 Solution imported from MIPLIB2010.

Similar instances in collection

The following instances are most similar to neos6 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
nsrand-ipx easy 6621 6620 0 1 735 223261 MIPLIB submission pool 51200 benchmark_suitable set_packing set_covering mixed_binary
neos-4409277-trave hard 14363 14362 0 1 7875 204518 Jeff Linderoth neos-pseudoapplication-47 3 variable_bound set_partitioning set_packing set_covering cardinality invariant_knapsack mixed_binary
neos-503737 easy 2850 2500 0 350 500 16850 NEOS Server Submission neos-pseudoapplication-47 50 benchmark_suitable set_partitioning mixed_binary
neos-498623 easy 9861 8500 0 1361 2047 148434 NEOS Server Submission neos-pseudoapplication-5 16.6 benchmark_suitable aggregations variable_bound set_partitioning set_packing mixed_binary general_linear
n2seq36f easy 8100 8100 0 0 285 60948 R. Meirich nseq 52200 binary decomposition benchmark_suitable set_packing set_covering mixed_binary

Reference

@misc{neos,
 key = {zzz neos},
 note = {http://www.neos-server.org},
 title = {{NEOS} {S}erver for {O}ptimization},
 year = {2011}
}

Last Update Apr 09, 2019 by Gregor Hendel
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