class Chainer::Functions::Noise::DropoutGrad
Computes the gradient of the Dropout
function.
Public Class Methods
new(mask)
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# File lib/chainer/functions/noise/dropout.rb, line 45 def initialize(mask) @mask = mask end
Public Instance Methods
backward(indexes, gy)
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# File lib/chainer/functions/noise/dropout.rb, line 54 def backward(indexes, gy) DropoutGrad.new(@mask).apply(gy) end
forward(inputs)
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# File lib/chainer/functions/noise/dropout.rb, line 49 def forward(inputs) y = inputs.first * @mask [y] end