mlpack::kernel::CosineDistance Class Reference

The cosine distance (or cosine similarity). More...

Static Public Member Functions
template<typename VecType >
static double	Evaluate (const VecType &a, const VecType &b)
	Computes the cosine distance between two points.

Detailed Description

The cosine distance (or cosine similarity).

It is defined by

$d(a, b) = \frac{a^T b}{|| a || || b ||}$

and this class assumes the standard L2 inner product.

Definition at line 40 of file cosine_distance.hpp.

template<typename VecType >

static double mlpack::kernel::CosineDistance::Evaluate	(	const VecType &	a,
		const VecType &	b
	)			`[inline, static]`

Computes the cosine distance between two points.

Parameters:

	a	First vector.
	b	Second vector.

The documentation for this class was generated from the following file: