mlpack::kernel::LinearKernel Class Reference

The simple linear kernel (dot product). More...

#include <linear_kernel.hpp>

Public Member Functions
	LinearKernel ()
	This constructor does nothing; the linear kernel has no parameters to store.
template<typename Archive >
void	serialize (Archive &, const uint32_t)
	Serialize the kernel (it has no members... do nothing).

Static Public Member Functions
template<typename VecTypeA , typename VecTypeB >
static double	Evaluate (const VecTypeA &a, const VecTypeB &b)
	Simple evaluation of the dot product. More...

Detailed Description

The simple linear kernel (dot product).

For any two vectors \( x \) and \( y \),

\[ K(x, y) = x^T y \]

This kernel has no parameters and therefore the evaluation can be static.

Member Function Documentation

Evaluate()

template<typename VecTypeA , typename VecTypeB >

static double mlpack::kernel::LinearKernel::Evaluate ( const VecTypeA &  a, const VecTypeB &  b  )

inlinestatic

Simple evaluation of the dot product.

This evaluation uses Armadillo's dot() function.

Template Parameters

VecTypeA	Type of first vector (should be arma::vec or arma::sp_vec).
VecTypeB	Type of second vector (arma::vec / arma::sp_vec).

Parameters

a	First vector.
b	Second vector.

Returns

K(a, b).

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

• src/mlpack/core/kernels/linear_kernel.hpp