beavma

decomposition aggregations variable_bound set_packing mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
MIPLIB submission pool	390	372	6.72043e-03	easy	–	383285	beavma.mps.gz

Imported from the MIPLIB2010 submissions.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	390	379
Constraints	372	350
Binaries	195	184
Integers	0	0
Continuous	195	195
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00672043	0.00710139
Nonzeroes	975	942

Constraint Classification Properties
	Original	Presolved
Total	372	350
Empty	0	0
Free	0	0
Singleton	11	0
Aggregations	2	2
Precedence	0	0
Variable Bound	249	238
Set Partitioning	0	0
Set Packing	23	23
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	87	87
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	1.462398
Constraint %		0.285714	3.07143	1.00000	10.5714
Variable %		0.512821	3.40659	1.41026	11.2821
Score	0.793692

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	383285	383285	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to beavma 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
mtest4ma	easy	1950	975	975	1174	4875	MIPLIB submission pool	–	52148	decomposition variable_bound set_packing mixed_binary
lotsize	easy	2985	1195	1790	1920	6565	Dinakar Gade, Simge Kucukyavuz	–	1480195	benchmark decomposition benchmark_suitable variable_bound set_packing invariant_knapsack mixed_binary
neos-4290317-perth	open	54708	1042	53666	65580	398380	Jeff Linderoth	neos-pseudoapplication-76	3017259.469804598*	decomposition numerics aggregations precedence variable_bound mixed_binary
exp-1-500-5-5	easy	990	250	740	550	1980	MIPLIB submission pool	exp_and_fc	65887	benchmark benchmark_suitable variable_bound set_packing mixed_binary
ran13x13	easy	338	169	169	195	676	J. Aronson	ran	3252	decomposition benchmark_suitable variable_bound mixed_binary

Reference

No bibliographic information available