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Re: orthonormalized eigenvectors


Mahn-Soo Choi wrote:

> This is very frustrating to me because I have to calculate eigenvalues
> and corresponding *orthonormalized* eigenvectors numerically for quite
> big Hermitian matrices.
> 
> Is there any effecient method working with Mathematica to calculate
> numerically the eigenvalues and corresponding *orthonormalized*
> eigenvectors for Hermitian matrices with possibly *degenerate*
> eigenvalues?

Use GramSchmidt to find an orthogonal basis in the degenerated
subspace(s).
-- 
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I Dr. rer. nat. Olaf Rogalsky     Institut fuer Theoretische Physik I
I                                 Universitaet Erlangen-Nuernberg   I
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I Fax.: 09131 8528444             D-91058 Erlangen                  I
| rogalsky at theorie1.physik.uni-erlangen.de                          I
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