Class: DNN::Activations::IdentityWithLoss

Inherits:
OutputLayer
  • Object
show all
Defined in:
lib/dnn/core/activations.rb

Instance Method Summary collapse

Instance Method Details

#backward(y) ⇒ Object 



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# File 'lib/dnn/core/activations.rb', line 77

def backward(y)
  @out - y
end

#forward(x) ⇒ Object 



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# File 'lib/dnn/core/activations.rb', line 73

def forward(x)
  @out = x
end

#loss(y) ⇒ Object 



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# File 'lib/dnn/core/activations.rb', line 81

def loss(y)
  0.5 * ((@out - y) ** 2).sum / @model.batch_size + ridge
end