[Trilinos-Users] trillinos diagonalization

[Hoemmen, Mark]

On 6/29/15, 5:12 PM, "trilinos-users-request at trilinos.org"
<trilinos-users-request at trilinos.org> wrote:
>Message: 1
>Date: Mon, 29 Jun 2015 20:34:23 +0900 (KST)
>From: =?UTF-8?B?7J6E7J6s7LC9?=<ljchang94 at kaist.ac.kr>
>To: trilinos-users at trilinos.org
>Subject: [Trilinos-Users] trillinos diagonalization
>Message-ID: <55912e883fb6_ at _imoxion.com>
>Content-Type: text/plain; charset="utf-8"
>
>?Dear Trilinos developers and users,
>
>
>I'm using Anasazi package to diagonalize sparse matrices with
>Epetra_CrsMatrix.
>i gave same vectors as an initial eigenvectorw(so it is not orthogonal)
>and the time and iteration number of first step of diagnoalization were
>different between each trial with same input.
>however eigenvalues were almost same in tolerance value.
>
>and other steps didn't show this phenomena
>
>i guess that the program randomized the initial eigenvectors even i set
>some initial eigenvectors.
>
>is there any reason of this phenomena?

Greetings!

Which eigensolver did you use, and did you set any parameters?

mfh