Question: Solving Linear Regression using Gradient Descent x(1) X(2) x(3) X(4) X(5) 1.0 2.0 3.0 4.0 5.0 -2.0 -5.0 -6.0 -8.0 -11.0 2.0 4.0 7.0

Solving Linear Regression using Gradient Descent x(1) X(2) x(3) X(4) X(5) 1.0 2.0 3.0 4.0 5.0 -2.0 -5.0 -6.0 -8.0 -11.0 2.0 4.0 7.0 8.0 11.0 Now, we want to implement the gradient descent method. I1 2 y Assuming that a = 0.1 and 0 has been initialized to [0, 0, 0], perform one iteration of gradient descent: a) What is the gradient of the objective function J(0) with respect to 8: Vj(0)? b) How do we carry out the update rule? c) How could we pick which value of a to use if we weren't given the step size?

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