Using matlab code this question with comments please Using 2

Using matlab code this question with comments please.

Using 21 equally spaced nodes on the interval I -5,5], find the interpolating polynomial p of degree 20 for the function f(x) = (x^2 +1)^-1. Print the values of f(x) and p(x) at 41 equally spaced points, including the nodes. Observe the large discrepancy between f(x) and p(x).

Solution

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