Matlab
For any function f and 1 distinct nodes zo….Tn. Lagrange interpolation factors f- PR where JEE and R is the approximation error. The following Matlab function, function a Interp-poly(X, a -zeros(1,numel (X)); for i1:numel (X) Y) aa poly (X([1:i-1 i+1:end])); a-a + Y(i) * aa / polyval (aa, X(i)); end end represents P(r)-Ση4″krk as its coefficients a-, [an, an-1, , a1, aol (a) Write a Matlab function that uses P to approximate f (a for any
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