Re: svd

[Carlo de Falco]

On 14 Jun 2010, at 04:22, Tatsuro MATSUOKA wrote:

> Hello
>
> I have carried out on the mingw platform. The situation seems to be  
> the same.
>
>
> Octave-3.2.4(Bejamin altas 3.8.2)
> octave:1> a=randn(1000);
> octave:2> tic; svd(a); toc
> Elapsed time is 3.76562 seconds.
> octave:3> tic; [u,s,v] = svd(a); toc
> Elapsed time is 25.2969 seconds.
>
> 3.3.51+(Build myself on May 26, 2010, altas 3.8.2)
> octave.exe:1> a=randn(1000);
> octave.exe:2> tic; svd(a); toc
> Elapsed time is 3.01562 seconds.
> octave.exe:3> tic; [u,s,v] = svd(a); toc
> Elapsed time is 25.2344 seconds.
>
> Regards
>
> Tatsuro

FWIW:

>> a = randn (1000);
>> tic; svd(a); toc
Elapsed time is 2.126371 seconds.
>> tic; [u,s,v]=svd(a); toc
Elapsed time is 16.446979 seconds.
>> version

ans =

7.5.0.338 (R2007b)

>>

c.