Problem 1 P01: To extend part of a non-periodic function (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:Problem 1
P01: To extend part of a non-periodic function
(0<x<L) to become a periodic function, which of the
following is/are correct?
O(A)The resulted periodic function must be odd or even
O(B)The resulted periodic function has a period 2L
O(C)Using cosine or sine series is more convenient because
only half of the coefficients are needed
O(D)The lowest frequency (or wave number) always has the
largest contribution.
O(E)In general, the resulted periodic function can only
represent the original function in the region (0<x<L)
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