neos-2629914-sudost

set_partitioning mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	496	51872	8.15407e-03	open	neos-pseudoapplication-66	48180*	neos-2629914-sudost.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	496	496
Constraints	51872	51872
Binaries	256	256
Integers	0	0
Continuous	240	240
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00815407	0.00815407
Nonzeroes	209792	209792

Constraint Classification Properties
	Original	Presolved
Total	51872	51872
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	0	0
Variable Bound	0	0
Set Partitioning	32	32
Set Packing	0	0
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	51840	51840
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	0.301030
Constraint %		0.0616903	0.0616903	0.0616903	0.0616903
Variable %		51.6129000	51.6129000	51.6129000	51.6129000
Score	0.000299

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	Int. Viol	Cons. Viol	Obj. Viol	Submitter	Date	Description
2	48180		0	0	0	Ed Klotz	2019-11-15	Found with a customized approach using the Optimization Direct Heuristic and CPLEX 12.9
1	48212	48212	0	0	0	-	2018-10-16	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-2629914-sudost 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
neos17	easy	535	300	235	486	4931	NEOS Server Submission	neos-pseudoapplication-66	0.1500025774	benchmark benchmark_suitable mixed_binary
zeil	open	70116	5314	64802	81558	1628941	Andreas Bärmann	–	1081.358500000008*	precedence variable_bound mixed_binary
loopha13	easy	19356	18150	1206	23758	41809	Hamideh	–	6.40233	benchmark_suitable aggregations precedence variable_bound invariant_knapsack mixed_binary
neos-3209519-ruhr	easy	8675	8000	675	12500	61725	Jeff Linderoth	neos-pseudoapplication-14	467.5	decomposition benchmark_suitable variable_bound set_partitioning cardinality knapsack mixed_binary
ns1830653	easy	1629	1458	171	2932	100933	NEOS Server Submission	neos-pseudoapplication-110	20622	benchmark benchmark_suitable variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack mixed_binary

Reference

No bibliographic information available