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--- fourier [2021/06/16 18:47] – tahzibi
+++ fourier [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
@@ Line 1: / Line 1: @@
-Polinômios trigonométricos: Toda função escrita como:
-$$
- f(x) = a_0 + \sum_{n=1}^{m} a_n cos(nx) + b_n sin(nx)
-$$
-onde $a_i, b_i$ são números complexos.
-Lembrando que $$ cos(x) = \frac{1}{2}(e^{inx} + e^{-inx}) , \, sin(x) = \frac{1}{2i} (e^{inx} - e^{-inx})$$