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MetricsCalculatorCosineSimilarity Method (Vector, Vector)
Cosine Similarity Distance between two objects. http://en.wikipedia.org/wiki/Cosine_similarity

Namespace:  FinMath.ClusterAnalysis
Assembly:  FinMath (in FinMath.dll) Version: 2.4.7-0a995bd0ea1854c2c868ec3f8dae606c5777e170
Syntax
C#
Copy
public static double CosineSimilarity(
	this Vector x,
	Vector y
)

Parameters

x
Type: FinMath.LinearAlgebraVector
Vector of parameters values which characterize first object.
y
Type: FinMath.LinearAlgebraVector
Vector of parameters values which characterize second object.

Return Value

Type: Double
Cosine Similarity distance between two objects.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Vector. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also