neos-3118745-obra

decomposition benchmark_suitable set_packing knapsack general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	1131	144	2.77594e-02	easy	neos-pseudoapplication-26	255	neos-3118745-obra.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	1131	1131
Constraints	144	144
Binaries	1130	1130
Integers	0	1
Continuous	1	0
Implicit Integers	0	1
Fixed Variables	0	0
Nonzero Density	0.0277594	0.0277594
Nonzeroes	4521	4521

Constraint Classification Properties
	Original	Presolved
Total	144	144
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	0	0
Variable Bound	0	0
Set Partitioning	0	0
Set Packing	113	113
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	30	30
Integer Knapsack	0	0
Mixed Binary	1	0
General Linear	0	1
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	1.544068
Constraint %		0.694444	2.65523	1.041670	7.63889
Variable %		0.884173	2.93858	0.884173	8.84173
Score	0.852122

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	255	255	0	0	0	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-3118745-obra 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
neos-3116779-oban	easy	5141	5140	1	328	20561	Jeff Linderoth	neos-pseudoapplication-26	0	decomposition set_packing knapsack general_linear
n2seq36f	easy	8100	8100	0	285	60948	R. Meirich	nseq	52200	binary decomposition benchmark_suitable set_packing set_covering mixed_binary
neos-1516309	easy	4500	4500	0	489	30400	NEOS Server Submission	neos-pseudoapplication-26	35954	binary decomposition set_packing set_covering knapsack
blp-ir98	easy	6097	6031	66	486	79152	M. Lübbecke	blp	2342.315488	decomposition benchmark_suitable set_packing equation_knapsack mixed_binary general_linear
neos-1599274	easy	4500	4500	0	1237	46800	NEOS Server Submission	neos-pseudoapplication-26	32075.6	binary decomposition set_packing set_covering knapsack

Reference

No bibliographic information available