class DNN::Layers::Softsign
Public Instance Methods
backward_node(dy)
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# File lib/dnn/core/layers/activations.rb, line 36 def backward_node(dy) dy * (1 / (1 + @x.abs)**2) end
forward_node(x)
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# File lib/dnn/core/layers/activations.rb, line 31 def forward_node(x) @x = x x / (1 + x.abs) end