CNum::Model::Activation Namespace Reference

Activation functions. More...

Typedefs
using	ActivationFunc = std::function< double(double) >

Functions
double	sigmoid (double value)
	Sigmoid function (for a single value).
::CNum::DataStructs::Matrix< double >	activate (const ::CNum::DataStructs::Matrix< double > &data, ActivationFunc act_func) noexcept
	Run an activation function on a Matrix of data.
ActivationFunc	get_activation_func (::std::string activation)
	Get an activation function from a string.

Detailed Description

Activation functions.

Typedef Documentation

ActivationFunc

using CNum::Model::Activation::ActivationFunc = std::function< double(double) >

Function Documentation

activate()

::CNum::DataStructs::Matrix< double > CNum::Model::Activation::activate ( const ::CNum::DataStructs::Matrix< double > & data, ActivationFunc act_func )

noexcept

Run an activation function on a Matrix of data.

Parameters

data	The data to run the activation function on
act_func	The activation function

Returns

The matrix of values resulting from the activation function

get_activation_func()

ActivationFunc CNum::Model::Activation::get_activation_func

(

::std::string

activation

)

Get an activation function from a string.

Parameters

activation

The name of the activation function (i.e. "sigmoid")

Returns

The ActivationFunc

sigmoid()

double CNum::Model::Activation::sigmoid

(

double

value

)

Sigmoid function (for a single value).

Parameters

value

The x value in the sigmoid function

Returns

The result of the sigmoid function