Dirk Laurie on Wed, 13 Nov 2013 10:53:30 +0100


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Re: Gram–Schmidt orthogonalization?


2013/11/13 Karim Belabas <Karim.Belabas@math.u-bordeaux1.fr>:

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

Actually, the end result is better, in the sense that the
computed basis satisfies sharper bounds on numerical
deviation from orthogonality.