class DNN::Losses::MeanSquaredError
Public Instance Methods
backward_node(d)
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# File lib/dnn/core/losses.rb, line 73 def backward_node(d) d * (@y - @t) / @y.shape[0] end
forward_node(y, t)
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# 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