C++ Neural Networks and Fuzzy Logic: Preface

layer.cpp class.

void output_layer::update_momentum()

{

// This function is called when a

// new cycle begins; the past_deltas

// pointer is swapped with the

// cum_deltas pointer. Then the contents

// pointed to by the cum_deltas pointer

C++ Neural Networks and Fuzzy Logic:Preface

Adding the Momentum Term

266

---

// is zeroed out.

int i, j, k;

float * temp;

// swap

temp = past_deltas;

past_deltas=cum_deltas;

cum_deltas=temp;

// zero cum_deltas matrix

// for new cycle

for (i=0; i< num_inputs; i++)

       {

       k=i*num_outputs;

       for (j=0; j< num_outputs; j++)

              cum_deltas[k+j]=0;

       }

}

void network::update_momentum()

{

int i;

for (i=1; i       ((output_layer *)layer_ptr[i])

               −>update_momentum();

}

Previous Table of Contents Next

Copyright ©

 IDG Books Worldwide, Inc.

C++ Neural Networks and Fuzzy Logic:Preface

Adding the Momentum Term

267

---