snp-06-004-052

numerics aggregations variable_bound mixed_binary general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Gerald Gamrath	328461	183168	1.1115e-05	open	supplynetworkplanning	1869531794.272782*	snp-06-004-052.mps.gz

Supply network planning problems.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	328461	272479
Constraints	183168	137815
Binaries	494	212
Integers	494	263
Continuous	327473	272004
Implicit Integers	0	51
Fixed Variables	1	0
Nonzero Density	1.11150e-05	1.47789e-05
Nonzeroes	668716	554974

Constraint Classification Properties
	Original	Presolved
Total	183168	137815
Empty	0	0
Free	0	0
Singleton	32340	0
Aggregations	31748	28972
Precedence	0	0
Variable Bound	2860	2183
Set Partitioning	0	0
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	115540	106379
General Linear	680	281
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
Constraint %
Variable %
Score

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	Cons. Viol	Obj. Viol	Submitter	Date	Description
3	1869531794	1e+100	1e-06	0.0000001	Mars Davletshin	2024-07-12	Obtained by OptVerse solver
2	1869531823	1e+100	0e+00	0.0000044	Dongdong Wan	2024-07-01	Taylor Solver - Taylor Lab of Huawei Solver
1	1869531920		0e+00	0.0004311	-	2018-10-13	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to snp-06-004-052 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
snp-10-004-052	open	538777	815	815	537147	300348	1097779	Gerald Gamrath	supplynetworkplanning	5906642759.088037*	numerics aggregations variable_bound mixed_binary general_linear
snp-02-004-104	easy	228350	167	167	228016	126512	463941	Gerald Gamrath	supplynetworkplanning	586803238.6567289	benchmark benchmark_suitable aggregations variable_bound mixed_binary general_linear
snp-04-052-052	open	221438	4546	4546	212346	129662	459205	Gerald Gamrath	supplynetworkplanning	881796534.4480641*	numerics aggregations variable_bound mixed_binary general_linear
snp-10-052-052	open	549021	11059	11059	526903	320836	1138755	Gerald Gamrath	supplynetworkplanning	6059865443.559938*	numerics aggregations variable_bound mixed_binary general_linear
cost266-UUE	easy	4161	171	0	3990	1446	12312	MIPLIB submission pool	network_design	25148940.55999998	benchmark decomposition benchmark_suitable aggregations set_packing mixed_binary

Reference

No bibliographic information available