nexp-150-20-8-5

benchmark benchmark_suitable set_packing mixed_binary

Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 20115 4620 4.5695e-04 easy exp_and_fc 231 nexp-150-20-8-5.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 20115 18405
Constraints 4620 4240
Binaries 17880 16360
Integers 0 0
Continuous 2235 2045
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000456950 0.000497904
Nonzeroes 42465 38855
Constraint Classification Properties
Original Presolved
Total 4620 4240
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 2235 2045
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 2385 2195
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 3.310906
Constraint % 0.0235849 0.0235849 0.0235849 0.0235849
Variable % 0.0434664 0.0434664 0.0434664 0.0434664
Score 0.482102

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
1 231 231 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to nexp-150-20-8-5 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
nexp-50-20-4-2 easy 1225 980 0 245 540 2695 MIPLIB submission pool exp_and_fc 71 decomposition set_packing mixed_binary
neos-3581454-haast easy 8112 7512 0 600 17220 92976 Jeff Linderoth neos-pseudoapplication-14 2295 decomposition benchmark_suitable precedence variable_bound set_partitioning set_packing invariant_knapsack knapsack mixed_binary
neos-3209519-ruhr easy 8675 8000 0 675 12500 61725 Jeff Linderoth neos-pseudoapplication-14 467.5 decomposition benchmark_suitable variable_bound set_partitioning cardinality knapsack mixed_binary
neos-4954672-berkel hard 1533 630 0 903 1848 8007 Jeff Linderoth neos-pseudoapplication-43 2612710 benchmark benchmark_suitable aggregations variable_bound mixed_binary
g503inf easy 48 24 0 24 41 144 MIPLIB submission pool Infeasible infeasible variable_bound binpacking knapsack mixed_binary

Reference

No bibliographic information available

Last Update Apr 09, 2019 by Gregor Hendel
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