Question: AND (b). Here you can test your Matlab functions in (a). Using 21 equally spaced nodes on the interval -5,5), find the interpolating polynomial p

AND (b). Here you can test your Matlab functions in (a).

AND

(b). Here you can test your Matlab functions in (a). Using 21 equally spaced nodes on the interval -5,5), find the interpolating polynomial p of degree 20 for the function f(a) (a 1) Plot the functions f(a) and p (a) together at 41 equally spaced points, including the nodes. Plot also the error e(z) f(a) p(ar) Why does this work so poorly? Write your comments. What to hand in: Hand in your Matlab script file, and the plots of f(r) with p(a), and the error, and your comments

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