'Vector Jacobian Product (VJP) of Broadcastable Addition operation
I have two arrays that x_arr shape is (4, 3, 1) and y_arr shape is (5,). I did broadcastable addition with these arrays (z_arr = x_arr + y_arr) and I obtained z_arr shape is (4, 3, 5). Now I must calculate vjp ( vector jacobian product) of x_arr and y_arr. How can I calculate vjp of each array? Please help me.
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