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[Octave-bug-tracker] [bug #41305] eigs: error -14 in dneupd when request
From: |
Mike Miller |
Subject: |
[Octave-bug-tracker] [bug #41305] eigs: error -14 in dneupd when requesting fewer eigenvalues |
Date: |
Mon, 27 Jan 2014 22:42:17 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20100101 Firefox/17.0 |
Update of bug #41305 (project octave):
Severity: 1 - Wish => 3 - Normal
Item Group: Feature Request => Incorrect Result
Summary: generate human-readable error strings from arpack
error codes => eigs: error -14 in dneupd when requesting fewer eigenvalues
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Follow-up Comment #18:
Sorry Max, I totally missed the important part of your comment #13, and indeed
that I was able to confirm earlier now that I review the whole history here.
I honestly don't know enough about what's going on under the hood here, but
going back to my comment #1, I show that eigs can fail to return 1 or 2
eigenvalues with a given matrix, but successfully returns 3. This does seem
like a bug to me.
I'll open a separate report for better error reporting.
_______________________________________________________
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- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, (continued)
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Max G., 2014/01/23
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Pantxo Diribarne, 2014/01/23
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Pantxo Diribarne, 2014/01/23
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Max G., 2014/01/23
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Pantxo Diribarne, 2014/01/23
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Max G., 2014/01/27
- [Octave-bug-tracker] [bug #41305] error: eigs: error -14 in dneupd, Pantxo Diribarne, 2014/01/27
- [Octave-bug-tracker] [bug #41305] generate human-readable error strings from arpack error codes, Mike Miller, 2014/01/27
- [Octave-bug-tracker] [bug #41305] generate human-readable error strings from arpack error codes, Max G., 2014/01/27
- [Octave-bug-tracker] [bug #41305] generate human-readable error strings from arpack error codes, Pantxo Diribarne, 2014/01/27
- [Octave-bug-tracker] [bug #41305] eigs: error -14 in dneupd when requesting fewer eigenvalues,
Mike Miller <=
- [Octave-bug-tracker] [bug #41305] eigs: error -14 in dneupd when requesting fewer eigenvalues, Pantxo Diribarne, 2014/01/28