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Re: chol problem in 2.9.5
From: |
John W. Eaton |
Subject: |
Re: chol problem in 2.9.5 |
Date: |
Fri, 26 May 2006 15:03:16 -0400 |
On 26-May-2006, Dmitri A. Sergatskov wrote:
| Well, I tried to remove chol.oct from octave-forge and it did not help.
| In fact, chol from octave proper returns an error right away, not
| on the second call:
|
| octave:1> a=randn(2)
| a =
|
| -0.62233 1.10609
| -0.21330 -0.70985
|
| octave:2> b=a'*a
| b =
|
| 0.43279 -0.53694
| -0.53694 1.72732
|
| octave:3> c=chol(b)
| error: chol: matrix not positive definite
| error: evaluating assignment expression near line 3, column 2
I'm unable to duplicate this problem with my current sources.
jwe
- chol problem in 2.9.5, Dmitri A. Sergatskov, 2006/05/25
- Re: chol problem in 2.9.5, Robert A. Macy, 2006/05/25
- Re: chol problem in 2.9.5, Quentin Spencer, 2006/05/25
- Re: chol problem in 2.9.5, David Bateman, 2006/05/25
- Re: chol problem in 2.9.5, Quentin Spencer, 2006/05/25
- Re: chol problem in 2.9.5, David Bateman, 2006/05/25
- Re: chol problem in 2.9.5, Quentin Spencer, 2006/05/25
- Re: chol problem in 2.9.5, Przemek Klosowski, 2006/05/26
- Re: chol problem in 2.9.5, Dmitri A. Sergatskov, 2006/05/26
- Re: chol problem in 2.9.5,
John W. Eaton <=
- Re: chol problem in 2.9.5, Dmitri A. Sergatskov, 2006/05/26
- Re: chol problem in 2.9.5, Quentin Spencer, 2006/05/26
- Re: chol problem in 2.9.5, Dmitri A. Sergatskov, 2006/05/26
- Re: chol problem in 2.9.5, Dmitri A. Sergatskov, 2006/05/31
- Re: chol problem in 2.9.5, John W. Eaton, 2006/05/31