Consider the function f(w) = y log((wx)) + (1 y) log(1 (wTx)) Where w and x are kth dimensional vectors. Assume 1 training example. Find Vw,l(w), that is, the partial derivative of (w) with respect to the jth element of vector W. Recall if (x) = Show your work! 1+e-x - then '(x) = (x)(1 (x))