You are required to
calculate the gradients of ?(x,w) = ‖?(??)‖^2 with respect to x_i and W_(i,j).
Here ‖∙‖^2 is the calculation of L2 loss, W is 3‐by‐3 matrix and x is 3‐by‐1
vector, and ?(∙) is sigmoid function that performs element‐wise sigmoid
operation.
(a) Use computational graph for calculation
(b) Based on(a), write a program to implement the computational graph
and verify your answer in (a). You can use vectorized approach to
simply your codes.
Note: You are free to choose the inputs of your computational graph.
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Rina B.
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