mlpack::ann::SILUFunction Class Reference

The SILU function, defined by. More...

#include <silu_function.hpp>

Static Public Member Functions
static double	Fn (const double x)
	Computes the SILU function. More...
template<typename InputVecType , typename OutputVecType >
static void	Fn (const InputVecType &x, OutputVecType &y)
	Computes the SILU function. More...
static double	Deriv (const double x)
	Computes the first derivative of the SILU function. More...
template<typename InputVecType , typename OutputVecType >
static void	Deriv (const InputVecType &x, OutputVecType &y)
	Computes the first derivatives of the SILU function. More...

Detailed Description

The SILU function, defined by.

\begin{eqnarray*} f(x) &=& x * \frac{1}{1 + e^{-x}}\\ f'(x) &=& \frac{1}{1 + e^{-x}} * (1 + x * (1-\frac{1}{1 + e^{-x}}))\\ \end{eqnarray*}

Member Function Documentation

Deriv() [1/2]

static double mlpack::ann::SILUFunction::Deriv ( const double  x )

inlinestatic

Computes the first derivative of the SILU function.

Parameters

y	Input activation.

Returns

f'(x)

Deriv() [2/2]

template<typename InputVecType , typename OutputVecType >

static void mlpack::ann::SILUFunction::Deriv ( const InputVecType &  x, OutputVecType &  y  )

inlinestatic

Computes the first derivatives of the SILU function.

Parameters

y	Input activations.
x	The resulting derivatives.

Fn() [1/2]

static double mlpack::ann::SILUFunction::Fn ( const double  x )

inlinestatic

Computes the SILU function.

Parameters

x	Input data.

Returns

f(x).

Fn() [2/2]

template<typename InputVecType , typename OutputVecType >

static void mlpack::ann::SILUFunction::Fn ( const InputVecType &  x, OutputVecType &  y  )

inlinestatic

Computes the SILU function.

Parameters

x	Input data.
y	The resulting output activation.

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

• src/mlpack/methods/ann/activation_functions/silu_function.hpp