class Chainer::Functions::Math::Mul
Public Instance Methods
backward(indexes, gy)
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# File lib/chainer/functions/math/basic_math.rb, line 62 def backward(indexes, gy) xs = get_retained_inputs indexes.map { |i| gy[0] * xs[1 - i] } end
forward(x)
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# File lib/chainer/functions/math/basic_math.rb, line 57 def forward(x) retain_inputs([0, 1]) [Utils::Array.force_array(x[0] * x[1])] end