Consider the piecewise function f(x) = { x, −2 0.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Consider the piecewise function
x, -2<x<1
f(x) =
1,
1 < x <2.
The function is to be periodically extended to ±0.
(ii) Does f exhibit even or odd behaviour? What is the consequence for the Fourier series - which
terms will be included?
(iii) Find the Fourier coefficient ao.
(iv) Find the simplified general expression for the Fourier coefficients an, n > 0.
(v) Find the simplified general expression for the Fourier coefficients bn, n > 0.
(vi) What is the Fourier series F(x) of f(x)?
(vii) What value will the Fourier series compute to at x = 18?
viii) What is the overall convergence rate of the Fourier series?
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