Calculus, Backpropagation, Neural Networks, Mathematics, AI.
derivative of C w.r.t θ2: Let’s continue our example. The ‘path’ to know the value of the partial derivative w.r.t θ2 is as follows: In traditional backpropagation fashion, let’s go backwards from C. First, we have to figure out the derivative of our cost w.r.t our prediction, yhat. This means