18. f(x)=x²

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.5: Applications
Problem 22EQ
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Q18
In Exercises 17–19, find the Fourier polynomial of degree 7 for
the function f.
17. f(x)= |x|
18. f(x)= x²
19. f(x)=4+3x +x?
20. Suppose that f is a function that has period T and is defined
on the interval[-T/2, T /2].
Transcribed Image Text:In Exercises 17–19, find the Fourier polynomial of degree 7 for the function f. 17. f(x)= |x| 18. f(x)= x² 19. f(x)=4+3x +x? 20. Suppose that f is a function that has period T and is defined on the interval[-T/2, T /2].
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