neos-480878

benchmark_suitable variable_bound set_partitioning set_packing invariant_knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
NEOS Server Submission	534	1321	6.28992e-02	easy	neos-pseudoapplication-76	492.5144492879	neos-480878.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	534	522
Constraints	1321	1321
Binaries	189	189
Integers	0	0
Continuous	345	333
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.0628992	0.0643452
Nonzeroes	44370	44370

Constraint Classification Properties
	Original	Presolved
Total	1321	1321
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	0	0
Variable Bound	253	253
Set Partitioning	12	12
Set Packing	12	20
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	2	4
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	10	0
Integer Knapsack	0	0
Mixed Binary	1032	1032
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 %		0.0757002	3.23391	0.151400	78.1226
Variable %		0.5747130	3.21839	0.766284	63.7931
Score	0.309914

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	492.5144	492.5144	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-480878 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
ran14x18-disj-8	easy	504	252	252	447	10277	J. Aronson	ran	3712	benchmark benchmark_suitable variable_bound set_covering mixed_binary
g503inf	easy	48	24	24	41	144	MIPLIB submission pool	–	Infeasible	infeasible variable_bound binpacking 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
neos-848198	open	10164	462	9702	924	29106	NEOS Server Submission	neos-pseudoapplication-3	51797.0*	mixed_binary
beavma	easy	390	195	195	372	975	MIPLIB submission pool	–	383285	decomposition aggregations variable_bound set_packing mixed_binary

Reference

No bibliographic information available