How to create 3D Fourier matrix?

6 views (last 30 days)
Matteo Cencini
Matteo Cencini on 6 Apr 2016
Commented: Muhammad Amir on 8 Nov 2016
I would like to create a Fourier matrix for a 3D fourier transform. I know that for 1D FFT in Matlab it can be created with dftmtx and I can extend to 2D FFT using kron like this:
FT1D=dftmtx(N); FT2D=kron(FT1D,FT1D); Is there any way to extend it to 3 dimensions? Thank you for your help.

Sign in to answer this question.

Answers (0)

Categories

Find more on Fast Fourier Transforms in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!