more QR & Cholesky updating functions

[Jaroslav Hajek]

>  >
>  If they aren't in the core of Matlab, should they go in the core of
>  Octave? If they are in the core of Octave they should probably form part
>  of the Chol and QR classes
>

Yes, that's exactly the dilemma. They're missing from Matlab, but they
are of the same nature like the rest, which is built into the QR and
CHOL classes.

-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz