List questions from fourier-series

Published on 15 Oct 2018 - 5:00

219

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Simpson vs. trapezoidal rule for numerically integrating $\cos{x}\cosh{x}$ in range 0 to $\pi$?

Published on 25 Mar 2026 - 19:04

1.7k

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Difference real and complex fourier series

Published on 26 Mar 2026 - 7:38

424

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Fourier analysis, complex conjugate and orthogonality

Published on 20 Oct 2018 - 10:26

47

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Fourier Series approximation - find $G(x,y)$ $f_n(x)=\int_0^{2\pi}f_n(y)G(x,y)dy$

Published on 26 Mar 2026 - 14:34

45

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Fourier transform followed by discrete Fourier transform?

Published on 21 Oct 2018 - 15:35

79

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Fourier series with filter function $f_n^g(x)=\int_0^{2\pi}f_n(y)G(x,y)dy$

Published on 26 Mar 2026 - 11:18

136

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Closed epicycloids

Published on 23 Oct 2018 - 23:51

70

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I cant solve the integral of Fourie's coefficient, in the Fourie Series of $\tan\pi x$.

Published on 25 Oct 2018 - 2:04

114

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Specific solution of the wave equation

Published on 25 Mar 2026 - 7:40

46

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Fourier series for $f(x)=x^{2m}$ on $[-\pi; \pi]$

Published on 27 Oct 2018 - 11:02

303

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How to calculate the signal x[n] when i just know its power,some character and one of its fourier series coefﬁcients?

Published on 28 Oct 2018 - 3:16

622

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Using Dini's test to prove convergence

Published on 29 Oct 2018 - 16:05

1k

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$L^2$ convergence of Fourier series

Published on 25 Mar 2026 - 21:34

368

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How to present the function by the Fourier integral?

Published on 30 Oct 2018 - 19:24

List Question

Find a trig polynomial, $(P_N)_N$, s.t. $(P_N)_N\rightarrow |x|$ on $\Big[-1/2,1/2\Big]$

Simpson vs. trapezoidal rule for numerically integrating $\cos{x}\cosh{x}$ in range 0 to $\pi$?

Difference real and complex fourier series

Fourier analysis, complex conjugate and orthogonality

Fourier Series approximation - find $G(x,y)$ $f_n(x)=\int_0^{2\pi}f_n(y)G(x,y)dy$

Fourier transform followed by discrete Fourier transform?

Fourier series with filter function $f_n^g(x)=\int_0^{2\pi}f_n(y)G(x,y)dy$

Closed epicycloids

I cant solve the integral of Fourie's coefficient, in the Fourie Series of $\tan\pi x$.

Specific solution of the wave equation

Fourier series for $f(x)=x^{2m}$ on $[-\pi; \pi]$

How to calculate the signal x[n] when i just know its power,some character and one of its fourier series coefﬁcients?

Using Dini's test to prove convergence

$L^2$ convergence of Fourier series

How to present the function by the Fourier integral?

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