Deep Learning

Why Backpropagation

Why do we use Backpropagation? For example, consider the expression¬† Fig. 1   Fig. 2 Fig. 3 Fig. 4   In Fig. 4, Backpropagation gives us the derivative of e with respect to every node (c, d) and input variables (a, b), but Forwardpropagation ONLY gives us the derivative of our output with respect to… read more »

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