neos4

decomposition numerics aggregations precedence variable_bound set_packing mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
NEOS Server Submission	22884	38577	1.08793e-04	easy	neos-pseudoapplication-65	-48603440751	neos4.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	22884	20296
Constraints	38577	35872
Binaries	17172	16308
Integers	0	0
Continuous	5712	3988
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000108793	0.000126258
Nonzeroes	96042	91923

Constraint Classification Properties
	Original	Presolved
Total	38577	35872
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	49	86
Precedence	32790	31990
Variable Bound	4036	2270
Set Partitioning	0	0
Set Packing	3	2
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	1699	1524
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	2.468347
Constraint %		0.00279	0.326992	0.0083700	4.85266
Variable %		0.00966	0.321423	0.0193134	4.34552
Score	0.920003

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	-48603440751	-48603440751	0	0	7.16e-05	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos4 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
neos-3734794-moppy	easy	4418	1760	154	2504	4317	22430	Jeff Linderoth	neos-pseudoapplication-25	5900905694.59	decomposition numerics precedence variable_bound set_packing invariant_knapsack mixed_binary general_linear
ta2-UUE	easy	9241	1188	0	8053	2687	26533	MIPLIB submission pool	network_design	37871728.59	numerics aggregations set_packing mixed_binary
neos-3355120-tarago	open	7800	4700	3100	0	86633	265500	Hans Mittelmann	neos-pseudoapplication-52	-11115965.664625322*	decomposition numerics aggregations precedence variable_bound set_partitioning set_packing cardinality binpacking integer_knapsack mixed_binary general_linear
neos-3615091-sutlej	open	205141	153520	0	51621	449690	1301130	Hans Mittelmann	neos-pseudoapplication-45	-1048730.937912077*	numerics aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack mixed_binary
neos-3068746-nene	open	4890	3815	1075	0	4664	29515	Jeff Linderoth	neos-pseudoapplication-45	61910283.68794999*	numerics precedence set_partitioning set_packing integer_knapsack general_linear

Reference

No bibliographic information available