class DNN::Layers::Softsign

Public Instance Methods

backward_node(dy) click to toggle source
# File lib/dnn/core/layers/activations.rb, line 36
def backward_node(dy)
  dy * (1 / (1 + @x.abs)**2)
end
forward_node(x) click to toggle source
# File lib/dnn/core/layers/activations.rb, line 31
def forward_node(x)
  @x = x
  x / (1 + x.abs)
end