rmatr100-p5

benchmark_suitable cardinality mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Dmitry Krushinsky	8784	8685	3.42802e-04	easy	rmatr	976	rmatr100-p5.mps.gz

Instance coming from a formulation of the p-Median problem using square cost matrices 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	8784	8784
Constraints	8685	8685
Binaries	100	100
Integers	0	0
Continuous	8684	8684
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000342802	0.000342802
Nonzeroes	26152	26152

Constraint Classification Properties
	Original	Presolved
Total	8685	8685
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	0
Cardinality	1	1
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	8684	8684
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	0.301030
Constraint %		0.0115141	0.0115141	0.0115141	0.0115141
Variable %		1.1384300	1.1384300	1.1384300	1.1384300
Score	0.000114

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	976	976	0	0	0	-	2018-10-10	Solution imported from MIPLIB2010.
1	976	976	0	0	0	-	2018-10-10	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to rmatr100-p5 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
rmatr100-p10	easy	7359	100	7259	7260	21877	Dmitry Krushinsky	rmatr	423	benchmark benchmark_suitable cardinality mixed_binary
rmatr200-p20	hard	29605	200	29405	29406	88415	Dmitry Krushinsky	rmatr	837	cardinality mixed_binary
rmatr200-p10	hard	35254	200	35054	35055	105362	Dmitry Krushinsky	rmatr	2017	cardinality mixed_binary
rmatr200-p5	easy	37816	200	37616	37617	113048	Dmitry Krushinsky	rmatr	4521	benchmark benchmark_suitable cardinality mixed_binary
neos-3665875-lesum	easy	3128	320	2808	3184	10640	Jeff Linderoth	neos-pseudoapplication-9	3274.81	benchmark_suitable set_covering invariant_knapsack mixed_binary

Reference

@article{GoldengorinKrushinsky2011,
 author = {B. Goldengorin and D. Krushinsky},
 journal = {Mathematical and Computer Modelling},
 number = {9--10},
 pages = {1719--1736},
 title = {Complexity evaluation of benchmark instances for the p-median problem},
 volume = {53},
 year = {2011}
}