My convolution using FFT now works.

Fred Marshall wrote:
> On 4/2/2012 8:10 PM, Les Cargill wrote:
> ....
>
> oh, it's N+M-1 not N+M+1....
>

Yes! Typo - my bad.

> e.g. 3 and 4 convolve to length 6.
>
> Fred


Strangely, Octave uses N+M+1 ( although I used N+M-1
myself ). Octave really uses (N+1)+(M+1)-1....

--
Les Cargill