Re: Speedup/Refaktoring loop?

[Thomas Weber]

Am Dienstag, den 19.08.2008, 12:27 +0200 schrieb Thomas Weber:
> Am Dienstag, den 19.08.2008, 11:53 +0200 schrieb Andreas Romeyke:
> > Hi,
> > 
> > There are any tricks to speedup the following piece of code?
> > 
> >     for i=1:n
> >         a=transpose(U) * X;
> >         tmpU = transpose(U)*U;
> These two lines shouldn't be in the for loop at all.
> 
> >         for j=1:columns
> >             b=tmpU*V;
> This line should be taken out of both loops.

Oops, that's obviously wrong. Sorry, I misread your code.
        
        Thomas