Re: A\b

[Jaroslav Hajek]

On Thu, Jun 17, 2010 at 10:09 AM, Jaana Tommiska
<address@hidden> wrote:
> hi,
> what algorithm octave use to calculate A\b (A is a regtangular matrixm b is a 
> vector) ?
> thanks
> Jaana
>

If A is nonsquare, it uses LAPACK's xGELSD, i.e. SVD-based least
squares solution.

see

http://www.netlib.org/lapack/lug/node27.html

hth

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