Numerical Analysis, Books A La Carte Edition (3rd Edition)
Numerical Analysis, Books A La Carte Edition (3rd Edition)
3rd Edition
ISBN: 9780134697338
Author: Timothy Sauer
Publisher: PEARSON
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Chapter 10.3, Problem 3CP

Plot the least squares trigonometric approximation function of orders m = n / 2

, n / 4

, and n / 8 , along with the vector x containing the first 2 14 sound intensity values from MATLAB’S handel sound file. (This covers about 2 seconds of audio. The MATLAB code dftfilter can be used with p = n

. Make three separate plots.) Use the MATLAB sound command to compare the original with the approximation. What has been lost?

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