The identity function, defined by. More...

Static Public Member Functions
static double	deriv (const double)
	Computes the first derivative of the identity function. More...

template<typename InputVecType , typename OutputVecType >
static void	deriv (const InputVecType &y, OutputVecType &x)
	Computes the first derivatives of the identity function. More...

template<typename eT >
static void	deriv (const arma::Cube< eT > &y, arma::Cube< eT > &x)
	Computes the first derivatives of the identity function using a 3rd order tensor as input. More...

static double	fn (const double x)
	Computes the identity function. More...

template<typename InputVecType , typename OutputVecType >
static void	fn (const InputVecType &x, OutputVecType &y)
	Computes the identity function. More...

Detailed Description

The identity function, defined by.

$\begin{eqnarray*} f(x) &=& x \\ f'(x) &=& 1 \end{eqnarray*}$

Definition at line 28 of file identity_function.hpp.

Member Function Documentation

static double mlpack::ann::IdentityFunction::deriv ( const double )

inlinestatic

Computes the first derivative of the identity function.

Parameters

x	Input data.

Definition at line 60 of file identity_function.hpp.

template<typename InputVecType , typename OutputVecType >

static void mlpack::ann::IdentityFunction::deriv	(	const InputVecType &	y,
		OutputVecType &	x
	)

inlinestatic

Computes the first derivatives of the identity function.

Parameters

y	Input activations.
x	The resulting derivatives.

Definition at line 72 of file identity_function.hpp.

template<typename eT >

static void mlpack::ann::IdentityFunction::deriv	(	const arma::Cube< eT > &	y,
		arma::Cube< eT > &	x
	)

inlinestatic

Computes the first derivatives of the identity function using a 3rd order tensor as input.

Parameters

y	Input activations.
x	The resulting derivatives.

Definition at line 85 of file identity_function.hpp.

static double mlpack::ann::IdentityFunction::fn ( const double x )

inlinestatic

Computes the identity function.

Parameters

x	Input data.

Definition at line 37 of file identity_function.hpp.

template<typename InputVecType , typename OutputVecType >

static void mlpack::ann::IdentityFunction::fn	(	const InputVecType &	x,
		OutputVecType &	y
	)

inlinestatic

Computes the identity function.

Parameters

x	Input data.
y	The resulting output activation.

Definition at line 49 of file identity_function.hpp.

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