List questions from fourier-transform

Published on 14 Apr 2026 - 12:18

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Fourier Transform of $f_n(x)=\frac{\sin x\sin nx}{x^2}$

Published on 16 Apr 2026 - 9:16

472

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How to Verify if the Fourier Transform is correct

Published on 16 Apr 2026 - 8:17

2.5k

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using fourier series to solve differential equation

Published on 12 Apr 2026 - 13:07

510

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Proving that the Cauchy kernel $(P_t)_{t > 0}$ is a convolution semigroup

Published on 27 Mar 2026 - 19:32

1.8k

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Fourier transform of $1/\sin(a x)$?

Published on 08 Apr 2026 - 20:10

2.5k

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Fourier transform of $\frac{1}{\sqrt{1 + x^2}}$

Published on 14 Apr 2026 - 21:52

43

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Different Formulae for the Fourier Transform

Published on 14 Apr 2026 - 3:01

700

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Is fourier transform of $C_0^\infty (\mathbb R)$ dense in $L_\mathbb C ^1 (\mathbb R) \cap L_\mathbb C ^2(\mathbb R) $?

Published on 14 Apr 2026 - 17:23

202

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The proof of a lemma on Plancherel theorem .

Published on 09 Apr 2026 - 18:18

1.4k

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Fourier transform in spherical coordinates from a Cartesian grid

Published on 10 Apr 2026 - 19:21

887

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What is the Fourier transform of $f(x)e^{2\pi ix^2}$ with $f\in L^2({\mathbb{R}})$?

Published on 15 Apr 2026 - 6:58

74

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Facing trouble solving higher order heat equation.

Published on 09 Apr 2026 - 16:10

273

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Analytical expression and fourier trasform of this graphically given function (in terms of rect, triang, sinc, Sa)

Published on 03 Apr 2026 - 22:39

3.6k

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Interpretation of Sum of Characteristic Functions

Published on 11 Apr 2026 - 5:16

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Visualizing the Fourier and Laplace transform

Fourier Transform of $f_n(x)=\frac{\sin x\sin nx}{x^2}$

How to Verify if the Fourier Transform is correct

using fourier series to solve differential equation

Proving that the Cauchy kernel $(P_t)_{t > 0}$ is a convolution semigroup

Fourier transform of $1/\sin(a x)$?

Fourier transform of $\frac{1}{\sqrt{1 + x^2}}$

Different Formulae for the Fourier Transform

Is fourier transform of $C_0^\infty (\mathbb R)$ dense in $L_\mathbb C ^1 (\mathbb R) \cap L_\mathbb C ^2(\mathbb R) $?

The proof of a lemma on Plancherel theorem .

Fourier transform in spherical coordinates from a Cartesian grid

What is the Fourier transform of $f(x)e^{2\pi ix^2}$ with $f\in L^2({\mathbb{R}})$?

Facing trouble solving higher order heat equation.

Analytical expression and fourier trasform of this graphically given function (in terms of rect, triang, sinc, Sa)

Interpretation of Sum of Characteristic Functions

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