Complements of Higher Mathematics pp 111-145 | Cite as
Fourier’s Transform
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Abstract
Consider the trigonometrical series of the following form Since the functions \(\cos n\omega x\) and \(\sin n\omega x\) are periodical functions having the period \(T=2\pi /\omega \) we say that the series (4.1.1) is a periodical series.
$$ \frac{a_0}{2}+\sum \limits _{n=1}^{\infty }\left( a_n\cos n\omega x+ b_n\sin n\omega x\right) . $$
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