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Re: orthonormalized eigenvectors

  • To: mathgroup at
  • Subject: [mg44504] Re: orthonormalized eigenvectors
  • From: Olaf Rogalsky <olaf.rogalsky at>
  • Date: Wed, 12 Nov 2003 08:02:12 -0500 (EST)
  • References: <bonnja$h9h$>
  • Sender: owner-wri-mathgroup at

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
I Dr. rer. nat. Olaf Rogalsky     Institut fuer Theoretische Physik I
I                                 Universitaet Erlangen-Nuernberg   I
I Tel.: 09131 8528440             Staudtstr. 7 B3                   I
I Fax.: 09131 8528444             D-91058 Erlangen                  I
| rogalsky at                          I

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