neos-5192052-neckar

invariant_knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	180	57	5.31189e-02	easy	neos-pseudoapplication-74	-11670000	neos-5192052-neckar.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	180	159
Constraints	57	56
Binaries	24	6
Integers	0	0
Continuous	156	153
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.0531189	0.0586253
Nonzeroes	545	522

Constraint Classification Properties
	Original	Presolved
Total	57	56
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	0	0
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	1	1
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	56	55
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	0.698970
Constraint %		1.78571	19.6429	25.0000	26.7857
Variable %		3.38983	22.4576	27.9661	30.5085
Score	0.562651

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	-11670000	-11670000	0	0	0	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-5192052-neckar 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
neos-1425699	easy	105	5	80	20	89	430	NEOS Server Submission	neos-pseudoapplication-37	3179698976.996124	decomposition aggregations cardinality integer_knapsack general_linear
neos-3627168-kasai	easy	1462	535	0	927	1655	5158	Jeff Linderoth	neos-pseudoapplication-25	988585.6199999998	benchmark decomposition benchmark_suitable variable_bound invariant_knapsack mixed_binary general_linear
khb05250	easy	1350	24	0	1326	101	2700	MIPLIB submission pool	–	106940225.9999999	variable_bound mixed_binary
app3	easy	3080	100	0	2980	766	14707	Emilie Danna	app	5751714.3289	variable_bound set_packing mixed_binary
dsbmip	easy	1886	192	0	1694	1182	7366	MIPLIB submission pool	–	-305.19817501	aggregations precedence variable_bound set_partitioning mixed_binary

Reference

No bibliographic information available