List questions from fourier-transform

Published on 06 Feb 2017 - 19:50

266

Views

What is the ($n$-dimensional) Fourier transform of $f(a_1 x_1, ..., a_nx_n)$?

Published on 07 Feb 2017 - 0:45

343

Views

How to solve $\nabla^2\phi(\textbf{r})=m^2\phi(\textbf{r})$?

Published on 26 Mar 2026 - 19:37

27

Views

How can I use discrete fourier transformation on a set of complex values and real values and use that to determine the missing values?

Published on 07 Feb 2017 - 9:04

160

Views

Sequence's Discrete Fourier Transform method

Published on 07 Feb 2017 - 12:48

747

Views

Compute $\int_{0}^{\infty} \frac{dx}{(a^2+x^2)(b^2+x^2)} $ using fourier transform of $e^{-a|x|}$

Published on 07 Feb 2017 - 13:09

472

Views

Fourier Transform log(1 + x^2)

Published on 07 Feb 2017 - 19:54

537

Views

The Fourier transform $\hat{f} \in L^1$ if both $f\in L^2$ and $f'\in L^2$

Published on 09 Feb 2017 - 23:35

2.2k

Views

Finding Fourier transform of inverse polynomial

Published on 10 Feb 2017 - 0:57

280

Views

Is it possible to solve the following PDE without using Fourier transform?

Published on 25 Mar 2026 - 22:10

475

Views

Derivative formula for L2 fourier transform

Published on 10 Feb 2017 - 13:10

324

Views

What is the role of the frequencies $2\pi k/N$ in the DFT?

Published on 10 Feb 2017 - 15:52

365

Views

Is the result of Fourier transform always complex?

Published on 11 Feb 2017 - 14:09

742

Views

Compute $\int_{0}^{\infty} \frac{\sin^4x}{x^4}dx$

Published on 11 Feb 2017 - 14:24

368

Views

Application of the FFT

Published on 26 Mar 2026 - 0:59

List Question

What is the Fourier transform of $f(A x + B)$ with respect to $\hat{f}$?

What is the ($n$-dimensional) Fourier transform of $f(a_1 x_1, ..., a_nx_n)$?

How to solve $\nabla^2\phi(\textbf{r})=m^2\phi(\textbf{r})$?

How can I use discrete fourier transformation on a set of complex values and real values and use that to determine the missing values?

Sequence's Discrete Fourier Transform method

Compute $\int_{0}^{\infty} \frac{dx}{(a^2+x^2)(b^2+x^2)} $ using fourier transform of $e^{-a|x|}$

Fourier Transform log(1 + x^2)

The Fourier transform $\hat{f} \in L^1$ if both $f\in L^2$ and $f'\in L^2$

Finding Fourier transform of inverse polynomial

Is it possible to solve the following PDE without using Fourier transform?

Derivative formula for L2 fourier transform

What is the role of the frequencies $2\pi k/N$ in the DFT?

Is the result of Fourier transform always complex?

Compute $\int_{0}^{\infty} \frac{\sin^4x}{x^4}dx$

Application of the FFT

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