help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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


reply via email to

[Prev in Thread] Current Thread [Next in Thread]