mlpack
master
|
Implementation of the Linear layer class. More...
Public Member Functions | |
Linear () | |
Create the Linear object. More... | |
Linear (const size_t inSize, const size_t outSize) | |
Create the Linear layer object using the specified number of units. More... | |
template<typename eT > | |
void | Backward (const arma::Mat< eT > &&, arma::Mat< eT > &&gy, arma::Mat< eT > &&g) |
Ordinary feed backward pass of a neural network, calculating the function f(x) by propagating x backwards trough f. More... | |
OutputDataType const & | Delta () const |
Get the delta. More... | |
OutputDataType & | Delta () |
Modify the delta. More... | |
template<typename eT > | |
void | Forward (const arma::Mat< eT > &&input, arma::Mat< eT > &&output) |
Ordinary feed forward pass of a neural network, evaluating the function f(x) by propagating the activity forward through f. More... | |
template<typename eT > | |
void | Gradient (const arma::Mat< eT > &&input, arma::Mat< eT > &&error, arma::Mat< eT > &&gradient) |
OutputDataType const & | Gradient () const |
Get the gradient. More... | |
OutputDataType & | Gradient () |
Modify the gradient. More... | |
InputDataType const & | InputParameter () const |
Get the input parameter. More... | |
InputDataType & | InputParameter () |
Modify the input parameter. More... | |
OutputDataType const & | OutputParameter () const |
Get the output parameter. More... | |
OutputDataType & | OutputParameter () |
Modify the output parameter. More... | |
OutputDataType const & | Parameters () const |
Get the parameters. More... | |
OutputDataType & | Parameters () |
Modify the parameters. More... | |
void | Reset () |
template<typename Archive > | |
void | Serialize (Archive &ar, const unsigned int) |
Serialize the layer. More... | |
Private Attributes | |
OutputDataType | bias |
Locally-stored bias term parameters. More... | |
OutputDataType | delta |
Locally-stored delta object. More... | |
OutputDataType | gradient |
Locally-stored gradient object. More... | |
InputDataType | inputParameter |
Locally-stored input parameter object. More... | |
size_t | inSize |
Locally-stored number of input units. More... | |
OutputDataType | outputParameter |
Locally-stored output parameter object. More... | |
size_t | outSize |
Locally-stored number of output units. More... | |
OutputDataType | weight |
Locally-stored weight paramters. More... | |
OutputDataType | weights |
Locally-stored weight object. More... | |
Implementation of the Linear layer class.
The Linear class represents a single layer of a neural network.
InputDataType | Type of the input data (arma::colvec, arma::mat, arma::sp_mat or arma::cube). |
OutputDataType | Type of the output data (arma::colvec, arma::mat, arma::sp_mat or arma::cube). |
Definition at line 49 of file layer_types.hpp.
mlpack::ann::Linear< InputDataType, OutputDataType >::Linear | ( | ) |
Create the Linear object.
mlpack::ann::Linear< InputDataType, OutputDataType >::Linear | ( | const size_t | inSize, |
const size_t | outSize | ||
) |
Create the Linear layer object using the specified number of units.
inSize | The number of input units. |
outSize | The number of output units. |
void mlpack::ann::Linear< InputDataType, OutputDataType >::Backward | ( | const arma::Mat< eT > && | , |
arma::Mat< eT > && | gy, | ||
arma::Mat< eT > && | g | ||
) |
Ordinary feed backward pass of a neural network, calculating the function f(x) by propagating x backwards trough f.
Using the results from the feed forward pass.
input | The propagated input activation. |
gy | The backpropagated error. |
g | The calculated gradient. |
|
inline |
Get the delta.
Definition at line 107 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::delta.
|
inline |
Modify the delta.
Definition at line 109 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::delta.
void mlpack::ann::Linear< InputDataType, OutputDataType >::Forward | ( | const arma::Mat< eT > && | input, |
arma::Mat< eT > && | output | ||
) |
Ordinary feed forward pass of a neural network, evaluating the function f(x) by propagating the activity forward through f.
input | Input data used for evaluating the specified function. |
output | Resulting output activation. |
void mlpack::ann::Linear< InputDataType, OutputDataType >::Gradient | ( | const arma::Mat< eT > && | input, |
arma::Mat< eT > && | error, | ||
arma::Mat< eT > && | gradient | ||
) |
|
inline |
Get the gradient.
Definition at line 112 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::gradient.
|
inline |
Modify the gradient.
Definition at line 114 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::gradient, and mlpack::ann::Linear< InputDataType, OutputDataType >::Serialize().
|
inline |
Get the input parameter.
Definition at line 97 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::inputParameter.
|
inline |
Modify the input parameter.
Definition at line 99 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::inputParameter.
|
inline |
Get the output parameter.
Definition at line 102 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::outputParameter.
|
inline |
Modify the output parameter.
Definition at line 104 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::outputParameter.
|
inline |
Get the parameters.
Definition at line 92 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::weights.
|
inline |
Modify the parameters.
Definition at line 94 of file linear.hpp.
References mlpack::ann::Linear< InputDataType, OutputDataType >::weights.
void mlpack::ann::Linear< InputDataType, OutputDataType >::Reset | ( | ) |
void mlpack::ann::Linear< InputDataType, OutputDataType >::Serialize | ( | Archive & | ar, |
const unsigned | int | ||
) |
Serialize the layer.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::Gradient().
|
private |
Locally-stored bias term parameters.
Definition at line 136 of file linear.hpp.
|
private |
Locally-stored delta object.
Definition at line 139 of file linear.hpp.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::Delta().
|
private |
Locally-stored gradient object.
Definition at line 142 of file linear.hpp.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::Gradient().
|
private |
Locally-stored input parameter object.
Definition at line 145 of file linear.hpp.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::InputParameter().
|
private |
Locally-stored number of input units.
Definition at line 124 of file linear.hpp.
|
private |
Locally-stored output parameter object.
Definition at line 148 of file linear.hpp.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::OutputParameter().
|
private |
Locally-stored number of output units.
Definition at line 127 of file linear.hpp.
|
private |
Locally-stored weight paramters.
Definition at line 133 of file linear.hpp.
|
private |
Locally-stored weight object.
Definition at line 130 of file linear.hpp.
Referenced by mlpack::ann::Linear< InputDataType, OutputDataType >::Parameters().