neos-5075914-elvire

numerics aggregations precedence variable_bound set_packing mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	5003	3720	6.14685e-04	easy	neos-pseudoapplication-35	323.8387873868924	neos-5075914-elvire.mps.gz

This instance is at the border of infeasibility. As of version 2 it is no longer considered benchmark-suitable and has been removed from the MIPLIB 2017 benchmark set.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	5003	4341
Constraints	3720	3054
Binaries	2638	1986
Integers	0	0
Continuous	2365	2355
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000614685	0.000761687
Nonzeroes	11440	10098

Constraint Classification Properties
	Original	Presolved
Total	3720	3054
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	37	39
Precedence	8	8
Variable Bound	2230	1564
Set Partitioning	0	0
Set Packing	118	118
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	1327	1325
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	2.365488
Constraint %		0.0327439	0.378752	0.0654879	56.7780
Variable %		0.0401365	0.366614	0.2207510	38.8521
Score	0.653460

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	323.8388	323.8388	0	3.8e-06	0	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-5075914-elvire 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
cbs-cta	easy	24793	2467	0	22326	10112	64388	Jordi Castro	cta	0	benchmark decomposition benchmark_suitable variable_bound mixed_binary
neos-4358725-tagus	open	11494	4898	0	6596	22777	59925	Jeff Linderoth	neos-pseudoapplication-57	4206.140099965*	numerics aggregations precedence variable_bound set_partitioning invariant_knapsack mixed_binary general_linear
neos-5078479-escaut	easy	3471	1330	0	2141	3442	9062	Jeff Linderoth	neos-pseudoapplication-35	9682.338178668055	benchmark_suitable aggregations variable_bound mixed_binary
neos-4264598-oueme	open	54550	13370	0	41180	54714	191146	Jeff Linderoth	neos-pseudoapplication-57	6038453.676499*	numerics aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear
neos-4232544-orira	open	87060	38280	5700	43080	180600	492456	Jeff Linderoth	neos-pseudoapplication-57	5538597.399999999*	numerics aggregations precedence variable_bound set_partitioning set_packing set_covering invariant_knapsack integer_knapsack mixed_binary general_linear

Reference

No bibliographic information available