supportcase7

benchmark benchmark_suitable precedence variable_bound invariant_knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Michael Winkler	138844	6532	3.13756e-03	easy	–	-1132.223177	supportcase7.mps.gz

MIP instances collected from Gurobi forum with unknown application

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	138844	21692
Constraints	6532	5008
Binaries	451	405
Integers	14	0
Continuous	138379	21287
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00313756	0.00470573
Nonzeroes	2845540	511200

Constraint Classification Properties
	Original	Presolved
Total	6532	5008
Empty	7	0
Free	0	0
Singleton	109	0
Aggregations	0	0
Precedence	449	431
Variable Bound	32	12
Set Partitioning	0	0
Set Packing	0	0
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	640	634
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	4711	3931
General Linear	584	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	1.041393
Constraint %		0.019976	2.151420	0.019976	21.33440
Variable %		0.009210	0.195293	0.009210	1.87002
Score	0.211152

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
1	-1132.223		0	4e-07	2e-07	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase7 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
dell	easy	626	105	521	500	4580	MIPLIB submission pool	–	Infeasible	infeasible aggregations precedence variable_bound mixed_binary
supportcase23	open	24275	6250	18025	40502	161525	Michael Winkler	–	-12160.6593559088*	decomposition precedence mixed_binary
ns1690781	open	5736	2880	2856	11181	262360	NEOS Server Submission	neos-pseudoapplication-8	-928.078*	variable_bound set_packing mixed_binary
neos-5182409-nasivi	easy	2005	1600	405	580	14884	Jeff Linderoth	neos-pseudoapplication-32	301.99999992	benchmark_suitable aggregations set_partitioning set_packing invariant_knapsack mixed_binary general_linear
irish-electricity	easy	61728	9888	51840	104259	523257	Paula Carroll	–	3723497.591396	benchmark benchmark_suitable precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary

Reference

No bibliographic information available