Numerical Methods for Engineers
Numerical Methods for Engineers
7th Edition
ISBN: 9780073397924
Author: Steven C. Chapra Dr., Raymond P. Canale
Publisher: McGraw-Hill Education
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Chapter 19, Problem 18P

Use MATLAB to generate 64 points from the function

f ( t ) = cos ( 10 t ) + sin ( 3 t )

from t = 0 to 2 π . Add a random component to the signal with the function randn. Take an FFT of these values and plot the results.

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