1. Consider the periodic function f(x) that is defined over the interval (-x, 1) as f(-n < x < x) = (x + 2n), where f(x) repeats over the following intervals: ., (-37, –r), (–T, T), (T, 37), ... . (a) Sketch or do a computer plot of the function over the interval (-37, 3T). (b) Why does the Fourier series exist even though the function diverges at x = 0? (c) To what value does the Fourier series converge at x = tn, ±37, ...?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Consider the periodic function f(x) that is defined over the interval (-7, T) as
f(-n < x < n) = (x+ 2rt),
where f(x) repeats over the following intervals: .., (-37, –x), (-x, t), (T, 31),
... .
(a) Sketch or do a computer plot of the function over the interval (-37, 3T).
(b) Why does the Fourier series exist even though the function diverges at x = 0?
(c) To what value does the Fourier series converge at x = +r, +37, ...?
Transcribed Image Text:1. Consider the periodic function f(x) that is defined over the interval (-7, T) as f(-n < x < n) = (x+ 2rt), where f(x) repeats over the following intervals: .., (-37, –x), (-x, t), (T, 31), ... . (a) Sketch or do a computer plot of the function over the interval (-37, 3T). (b) Why does the Fourier series exist even though the function diverges at x = 0? (c) To what value does the Fourier series converge at x = +r, +37, ...?
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