Use the Fast Fourier Transform Algorithm to determine the trigonometric interpolating polynomial of degree 16 for f

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Use the Fast Fourier Transform Algorithm to determine the trigonometric interpolating polynomial of degree 16 for f (x) = x2 cos x on [−π, π].
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Numerical Analysis

ISBN: 978-0538733519

9th edition

Authors: Richard L. Burden, J. Douglas Faires

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