4(a) A function f(x) defined on [0, 1] may be represented by its Fourier cosine series given by 1 2 f f(x) cos(n7x) dx, n ≥ 0. ao %+E 2 n=1 + Σan cos(nπχ), where an = 2 Use this formula to find the an, n ≥ 0, for the Fourier cosine series of the function f(x) = {0 0 ≤ x ≤ 1, < x≤ 1. 4 As sin(n) = 0 for any integer n, your expressions for the an should not contain any sin(nл) terms. (b) For the Fourier cosine series found in part (a), what are its values at x = 1/4, x = 0, and = −1/4? X =
4(a) A function f(x) defined on [0, 1] may be represented by its Fourier cosine series given by 1 2 f f(x) cos(n7x) dx, n ≥ 0. ao %+E 2 n=1 + Σan cos(nπχ), where an = 2 Use this formula to find the an, n ≥ 0, for the Fourier cosine series of the function f(x) = {0 0 ≤ x ≤ 1, < x≤ 1. 4 As sin(n) = 0 for any integer n, your expressions for the an should not contain any sin(nл) terms. (b) For the Fourier cosine series found in part (a), what are its values at x = 1/4, x = 0, and = −1/4? X =
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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