class DNN::Layers::Div

Public Instance Methods

backward_node(dy) click to toggle source
# File lib/dnn/core/layers/math_layers.rb, line 118
def backward_node(dy)
  dx1 = MathUtils.sum_to(dy / @x2, @x1.shape)
  dx2 = MathUtils.sum_to(dy * -(@x1 / @x2**2), @x2.shape)
  [dx1, dx2]
end
forward_node(x1, x2) click to toggle source
# File lib/dnn/core/layers/math_layers.rb, line 113
def forward_node(x1, x2)
  @x1, @x2 = x1, x2
  x1 / x2
end