Re: help with vectorizing a for loop

[Bård Skaflestad]

On Mon, 2011-10-03 at 12:09 +0200, Rick T wrote:
> Greetings All
> 
> 
> I have a for loop that reads an array but I would like to vectorize it
> to see if will improve speed.

[snip]

> for ii=1:1:length(inner_freq)-1
> 
>  
> aa_sig_rebuilt=inner_freq(ii,2)*cos(2*pi*t*inner_freq(ii,1)+inner_freq(ii,3));
>      aa_sig_combined=aa_sig_combined+aa_sig_rebuilt;
> end;

        aa_sig_combined = sum(inner_freq(1:end-1,2) .* ...
                              cos(2*pi*t .* inner_freq(1:end-1,1) + ...
                                  inner_freq(1:end-1,3)))


Sincerely,
-- 
Bård Skaflestad <address@hidden>
SINTEF ICT, Applied Mathematics