QUESTION 4 [30 MARKS]
(a) (i) State the Steepest Descent Algorithm
(ii) State the theorem that guarantees that the Steepest Descent method ensures some progress in the direction of the minimum of the objective function during each iteration.
[6]
[4]
(b) Using the Steepest Descent Method, obtain the minimum of the following function:
$f(x, y) = 4x^2 - 4xy + 2y^2$
[20]