fann_set_activation_function_hidden
  Sets the activation function for all of the hidden layers
  
 
  Description
  
   bool fann_set_activation_function_hidden
    ( resource $ann
   , int $activation_function
   )
  
  
 
 
  Return Values
  Returns TRUE on success, or FALSE otherwise.
  
 
  See Also
  
   
    - fann_set_activation_function
- fann_set_activation_function_layer
- fann_set_activation_function_output
- fann_set_activation_steepness