class

GS::Autograd::AddBackward

Inherits GS::Autograd::GradFn < Reference < Object

Gradient function for addition: c = a + b dc/da = 1, dc/db = 1

Constructors

Instance methods

backward(grad_output : Tensor) : Array(Tensor | Nil)

Compute gradients w.r.t. inputs given gradient of output Returns array of gradients, one per input (or nil if input doesn't require grad)

Source