On 22 May 2013 08:06, Poulette Poulette <address@hidden
> I have Octave version 3.6.4 for mac (osX 10.8.3).
How did you install it, Mme Poulette?
> I don't know how to use/obtain eigs function to calculate eigen vectors and
You only need eigs if you're working with sparse matrices or if you
only want a few eigenvalues of your matrix. Otherwise you can use eig.
> The error is : "eigs: not available in this version of Octave"
However you obtained Octave, it looks like you compiled it without
ARPACK. You need to recompile Octave with ARPACK support.
- Jordi G. H.