2D FFT - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: 2D FFT (/thread-8010.html) |
2D FFT - KeithB - 03-23-2017 06:36 PM Is there a way to do a 2D FFT on the Prime? RE: 2D FFT - toshk - 03-23-2017 07:32 PM create two Vandermonde() of the size you want. and use the double summation that defines 2D FFT RE: 2D FFT - KeithB - 03-23-2017 07:45 PM "Vandermonde"? Even google translate gives up. RE: 2D FFT - toshk - 03-23-2017 07:51 PM hp menu>>matrix>>Create>>Vandermonde vandermonde([1,e^(-2pi*i/3),e^(-4pi*i/3)]) to create 3x3 matrix and use the definition for 2D FFT: https://www.mathworks.com/help/matlab/ref/fft2.html |