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Revision as of 13:39, 19 April 2022 by Jet53man (talk | contribs) (Created page with "Fourier series, square wave <math>f(x) = \frac{c}{L} + \frac{2}{\pi} \sum_{n=1}^\infty \frac{(-1)^n}{n} \sin\frac{n\pi c}{L} \cos\frac{n\pi x}{L}</math> <math>f(x)~~~~x~~~2c~~~1~~~L~~~2L</math>")
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Fourier series, square wave

f(x)=cL+2πn=1(1)nnsinnπcLcosnπxL

f(x)x2c1L2L