mik-250-20-75-2

general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
MIPLIB submission pool	270	195	1.76068e-01	easy	mik_250	-50768.00000000001	mik-250-20-75-2.mps.gz

Imported from the MIPLIB2010 submissions.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	270	270
Constraints	195	75
Binaries	75	95
Integers	175	155
Continuous	20	20
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.176068	0.451852
Nonzeroes	9270	9150

Constraint Classification Properties
	Original	Presolved
Total	195	75
Empty	0	0
Free	0	0
Singleton	120	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	75	75
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	0.30103
Constraint %		100	100	100	100
Variable %		100	100	100	100
Score	0.00000

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	-50768	-50768	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to mik-250-20-75-2 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
mik-250-20-75-5	easy	270	75	175	20	195	9270	MIPLIB submission pool	mik_250	-51532	general_linear
mik-250-20-75-3	easy	270	75	175	20	195	9270	MIPLIB submission pool	mik_250	-52242	general_linear
mik-250-20-75-1	easy	270	75	175	20	195	9270	MIPLIB submission pool	mik_250	-49716	general_linear
mik-250-20-75-4	easy	270	75	175	20	195	9270	MIPLIB submission pool	mik_250	-52301	benchmark benchmark_suitable general_linear
gen-ip036	easy	29	0	29	0	46	1303	Simon Bowly	generated	-4606.67961	benchmark_suitable general_linear

Reference

No bibliographic information available