In a narrow sense backpropagation only refers to the calculation of the gradients. So it does, for example, not include the update of any weights. But usually it is used refering to the whole backward pass.

Also see Wikipedia: https://en.m.wikipedia.org/wiki/Backpropagation

In a narrow sense backpropagation only refers to the calculation of the gradients. So it does, for example, not include the update of any weights. But usually it is used refering to the whole backward pass.

Also see Wikipedia.