Devise a method to learn the PPCA model using the EM algorithm, giving details of both the E- and

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Devise a method to learn the PPCA model using the EM algorithm, giving details of both the E- and M-steps. Are you guaranteed to get the same answer as the method based on the SVD?

Show that the maximum a posteriori solution for the hidden weight variable h is as given in Equation 17.32.