Take any two functions g(x) and h(x), for example g(x) = 1 and h(x) = x. Is with these two functions you can always construct a specific f(x) function? (Take f(x) example that you think is easy)
Take any two functions g(x) and h(x), for example g(x) = 1 and h(x) = x. Is with these two functions you can always construct a specific f(x) function? (Take f(x) example that you think is easy)
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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In the Fourier series, we use two functions, namely sin(x) and cos(x) to construct "almost" all functions f(x). The fact that we can do this with just two Functions are not intuitive, in this problem we will elaborate on why Fourier series can work.
(a) Take any two functions g(x) and h(x), for example g(x) = 1 and h(x) = x. Is with these two functions you can always construct a specific f(x) function? (Take f(x) example that you think is easy)
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