neos-885524

binary benchmark_suitable set_covering mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
NEOS Server Submission	91670	65	4.3351e-02	easy	neos-pseudoapplication-100	12320.092	neos-885524.mps.gz

Instance coming from the NEOS Server with unknown application Imported from MIPLIB2010.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	91670	35290
Constraints	65	65
Binaries	91670	35290
Integers	0	0
Continuous	0	0
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.0433510	0.0535314
Nonzeroes	258309	122793

Constraint Classification Properties
	Original	Presolved
Total	65	65
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	0	0
Set Covering	0	7
Cardinality	0	0
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	65	58
General Linear	0	0
Indicator	0	0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

Nonzero entries of original problem

Nonzero entries after trivial presolving

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

	value	min	median	mean	max
Components	1.414973
Constraint %		1.53846	1.84615	1.53846	3.07692
Variable %		2.02324	4.00000	3.86512	5.12326
Score	0.443077

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	12320.09	12320.09	0	0	0	-	2018-10-29	Solution found during MIPLIB2017 problem selection.
1	12320.09	12320.09	0	0	0	-	2018-10-13	Solution imported from MIPLIB2010.

Similar instances in collection

The following instances are most similar to neos-885524 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	Continuous	Constraints	Nonz.	Submitter	Group	Objective	Tags
mod008inf	easy	319	319	0	7	1562	MIPLIB submission pool	mod	Infeasible	infeasible binary knapsack mixed_binary
n2seq36f	easy	8100	8100	0	285	60948	R. Meirich	nseq	52200	binary decomposition benchmark_suitable set_packing set_covering mixed_binary
eil33-2	easy	4516	4516	0	32	44243	J. Linderoth	eil	934.007915999999	benchmark binary benchmark_suitable set_partitioning
nsrand-ipx	easy	6621	6620	1	735	223261	MIPLIB submission pool	–	51200	benchmark_suitable set_packing set_covering mixed_binary
bppc6-06	open	3922	3920	2	273	181510	Manuel Iori	bppc	208*	set_partitioning mixed_binary

Reference

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