neos-5041822-cockle

aggregations precedence variable_bound set_packing mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	227668	546733	1.09458e-05	open	neos-pseudoapplication-25	5724245.704467608*	neos-5041822-cockle.mps.gz

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	227668	99138
Constraints	546733	164763
Binaries	149313	20791
Integers	0	0
Continuous	78355	78347
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	1.09458e-05	2.86966e-05
Nonzeroes	1362470	468738

Constraint Classification Properties
	Original	Presolved
Total	546733	164763
Empty	0	0
Free	0	0
Singleton	6	0
Aggregations	28130	28128
Precedence	454932	74556
Variable Bound	22742	22744
Set Partitioning	0	0
Set Packing	3168	2636
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	37755	36699
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	3.027757
Constraint %		0.000609	0.0732170	0.000609	13.5026
Variable %		0.002020	0.0664929	0.002020	10.9592
Score	0.711413

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion

ID	Objective	Exact	Obj. Viol	Submitter	Date	Description
3	5724246		0e+00	Edward Rothberg	2019-12-13	Obtained with Gurobi 9.0
2	5727530		0e+00	Robert Ashford and Alkis Vazacopoulus	2019-12-18	Found using ODH\|CPlex
1	5728106	5728106	2e-07	-	2018-10-16	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-5041822-cockle 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
unitcal_7	easy	25755	2856	22899	48939	127595	R. O’Neill	–	19635558.244	benchmark benchmark_suitable precedence variable_bound mixed_binary general_linear
set3-20	hard	4019	1424	2595	3747	13747	Kerem Akartunali	set3	159462.572721458	precedence variable_bound mixed_binary
set3-16	open	4019	1424	2595	3747	13747	Kerem Akartunali	set3	134040.4097522878*	precedence variable_bound mixed_binary
set3-10	hard	4019	1424	2595	3747	13747	Kerem Akartunali	set3	185179.043049708	precedence variable_bound mixed_binary
set3-15	hard	4019	1424	2595	3747	13747	Kerem Akartunali	set3	124886	precedence variable_bound mixed_binary

Reference

No bibliographic information available