Class: DNN::Layers::Div
- Inherits:
-
MergeLayer
- Object
- Layer
- MergeLayer
- DNN::Layers::Div
- Includes:
- LayerNode
- Defined in:
- lib/dnn/core/layers/math_layers.rb
Instance Attribute Summary
Attributes inherited from Layer
Instance Method Summary collapse
Methods included from LayerNode
Methods inherited from MergeLayer
Methods inherited from Layer
#<<, #build, #built?, #call, call, #clean, #compute_output_shape, #forward, from_hash, #initialize, #load_hash, #to_hash
Constructor Details
This class inherits a constructor from DNN::Layers::Layer
Instance Method Details
#backward_node(dy) ⇒ Object
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# File 'lib/dnn/core/layers/math_layers.rb', line 118 def backward_node(dy) dx1 = MathUtils.sum_to(dy / @x2, @x1.shape) dx2 = MathUtils.sum_to(dy * -(@x1 / @x2**2), @x2.shape) [dx1, dx2] end |
#forward_node(x1, x2) ⇒ Object
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# File 'lib/dnn/core/layers/math_layers.rb', line 113 def forward_node(x1, x2) @x1, @x2 = x1, x2 x1 / x2 end |