using DCT for taking spectral derivative

1 Ansicht (letzte 30 Tage)
Bo
Bo am 24 Jun. 2014
Hi, I have use FFT in matlab to take a function's derivative. Since I always work with real data, can I use DCT to do the same thing (because it is supposed to be faster)?
I found an old thread:
http://www.mathworks.com/matlabcentral/newsreader/view_thread/42166
But there hasn't been any answers yet.
Could anyone help? Thanks!
Bo

Melden Sie sich an, um diese Frage zu beantworten.

Antworten (0)

Kategorien

Mehr zu Fourier Analysis and Filtering finden Sie in Help Center und File Exchange

Tags

Community Treasure Hunt

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

Start Hunting!

Translated by