[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Why isn't conv() optimized using fft() and ifft()?
|
From: |
George |
|
Subject: |
Why isn't conv() optimized using fft() and ifft()? |
|
Date: |
Sun, 14 Feb 2010 19:55:14 +0000 |
Why isn't Octave using fft and ifft to optimize convolution? Like so:
tic; conv(rand(1,1024),rand(1,1024)); toc; tic; ifft(
fft(rand(1,1024),2048).*fft(rand(1,1024),2048) )(1:2047); toc;
Elapsed time is 0.03814 seconds.
Elapsed time is 0.008016 seconds.
- Why isn't conv() optimized using fft() and ifft()?,
George <=