class DNN::Losses::MeanSquaredError

Public Instance Methods

backward_node(d) click to toggle source
# File lib/dnn/core/losses.rb, line 73
def backward_node(d)
  d * (@y - @t) / @y.shape[0]
end
forward_node(y, t) click to toggle source
# File lib/dnn/core/losses.rb, line 67
def forward_node(y, t)
  @y = y
  @t = t
  0.5 * ((y - t)**2).mean(0).sum
end