IdentityFunction Class Reference

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
static void	Deriv (const InputVecType &y, OutputVecType &x)
	Computes the first derivatives of the identity function. More...
template
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
static void	Fn (const InputVecType &x, OutputVecType &y)
	Computes the identity function. More...

Detailed Description

The identity function, defined by.

Definition at line 28 of file identity_function.hpp.

Member Function Documentation

Deriv() [1/3]

static double Deriv ( const double  )

inlinestatic

Computes the first derivative of the identity function.

Parameters

*	(x) Input data.

Returns

f'(x)

Definition at line 60 of file identity_function.hpp.

Deriv() [2/3]

static void Deriv ( const InputVecType &  y, OutputVecType &  x  )

inlinestatic

Computes the first derivatives of the identity function.

Parameters

y	Input data/activation.
x	The resulting derivatives.

Definition at line 72 of file identity_function.hpp.

Deriv() [3/3]

static void 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.

Fn() [1/2]

static double Fn ( const double  x )

inlinestatic

Computes the identity function.

Parameters

x	Input data.

Returns

f(x).

Definition at line 37 of file identity_function.hpp.

Fn() [2/2]

static void 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.

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

• /home/jenkins-mlpack/mlpack.org/_src/mlpack-3.4.2/src/mlpack/methods/ann/activation_functions/identity_function.hpp