Karim Belabas on Wed, 13 Nov 2013 08:56:13 +0100

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Re: Gram–Schmidt orthogonalization?

Hi Jeroen,

  I was cleaning my mboxes and I stumbled on this mail of yours to pari-users
from a looong time ago, which got no answer (sorry):

* Jeroen Demeyer [2006-12-11 19:28]:
> Does PARI have a function for Gram-Schmidt?  I looked around in the help
> files, but couldn't find anything.  Of course it's easy enough to write
> a GP script to do this, but it would be nice to have a native function.

We finally have matqr() since February 2013. :-)  (It uses Householder
reflections rather than Gram-Schmidt, but the end result is the same.)


Karim Belabas, IMB (UMR 5251)  Tel: (+33) (0)5 40 00 26 17
Universite Bordeaux 1          Fax: (+33) (0)5 40 00 69 50
351, cours de la Liberation    http://www.math.u-bordeaux1.fr/~kbelabas/
F-33405 Talence (France)       http://pari.math.u-bordeaux1.fr/  [PARI/GP]