Question: Change the stochastic gradient descent algorithm of Figure 17.2 (page 739) that minimizes formula (17.1) so it adjusts the parameters, including regularization, after a batch

Change the stochastic gradient descent algorithm of Figure 17.2

(page 739) that minimizes formula (17.1) so it adjusts the parameters, including regularization, after a batch of examples. How does the complexity of this algorithm differ from the algorithm of Figure 17.2? Which one works better in practice? [Hint: Think about whether you need to regularize all of the parameters or just those used in the batch.]

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