Axel Etzold <AEtzold / gmx.de> wrote:

> 
> Eigenvectors form an orthogonal basis of a vector space. As a basis
> is just a maximal set of linear independent vectors, there
> are infinitely many of them ... the only condition is that they
> span the eigenspace corresponding to the eigenvalue.
> So, if the eigenvalue equations matrix*vector=eigenvalue*vector
> hold, I'd not be concerned.

eigenvalues are the same between ExtendedMatrix and GSL.

-- 
Une Bue