Class: DNN::Activations::ReLU

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

Instance Method Summary collapse

Instance Method Details

#backward(dout) ⇒ Object 



34
35
36
37
38
 
# File 'lib/dnn/core/activations.rb', line 34

def backward(dout)
  @x[@x > 0] = 1
  @x[@x <= 0] = 0
  dout * @x
end

#forward(x) ⇒ Object 



28
29
30
31
32
 
# File 'lib/dnn/core/activations.rb', line 28

def forward(x)
  @x = x.clone
  x[x < 0] = 0
  x
end