supportcase39

general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Domenico Salvagnin	1025	16384	2.37456e-02	open	–	-1085069.602859*	supportcase39.mps.gz

Instance coming from IBM developerWorks 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	1025	884
Constraints	16384	13861
Binaries	0	0
Integers	1024	884
Continuous	1	0
Implicit Integers	0	0
Fixed Variables	1	0
Nonzero Density	0.0237456	0.0266821
Nonzeroes	398774	326939

Constraint Classification Properties
	Original	Presolved
Total	16384	13861
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	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	0	0
General Linear	16384	13861
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 %		100.0000	100.0000	100.0000	100.0000
Variable %		89.2929	89.2929	89.2929	89.2929
Score	0.107071

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	-1085070	-1085070	0	0	3e-07	-	2018-10-12	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase39 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	Integers	Continuous	Constraints	Nonz.	Submitter	Group	Objective	Tags
gen-ip036	easy	29	29	0	46	1303	Simon Bowly	generated	-4606.67961	benchmark_suitable general_linear
gen-ip016	easy	28	28	0	24	672	Simon Bowly	generated	-9476.155197	general_linear
haprp	easy	1828	1828	0	1048	3628	MIPLIB submission pool	–	3673280.6808	decomposition aggregations general_linear
neos-5044663-wairoa	open	63540	44513	19027	21479	538629	Hans Mittelmann	neos-pseudoapplication-53	4654500.0*	aggregations integer_knapsack general_linear
flugplinf	easy	18	11	7	19	64	MIPLIB submission pool	–	Infeasible	infeasible aggregations variable_bound general_linear

Reference

No bibliographic information available