cond and the Hilbert matrix

[John W. Eaton]

On  1-Jun-2000, George Talusan <address@hidden> wrote:

| I recently installed octave (i.e., this morning) and defined
| the Hilbert matrix as such: h3=[1/1 1/2 1/3; 1/2 1/3 1/4 ; 1/3 1/4 1/5];
| 
| To get the condition number, I performed cond(h3) which resulted
| in octave not producing any output.  It looks like when cond
| calls svd it just sits there.
| 
| I'm running octave 2.0.16.

Hmm.  It works for me:

  GNU Octave, version 2.0.16 (i686-pc-linux-gnu).
  Copyright (C) 1996, 1997, 1998, 1999, 2000 John W. Eaton.
  This is free software with ABSOLUTELY NO WARRANTY.
  For details, type `warranty'.

  octave:1> cond (hilb (3))
  ans = 524.06

Does any call to svd work for you?

Are you sure you have installed Octave correctly?

If you think you have found a bug in Octave, please send a complete
bug report to address@hidden

If you are not sure what to include in a complete bug report, please
read http://www.che.wisc.edu/octave/bugs.html.

Thanks,

jwe



-----------------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.che.wisc.edu/octave/octave.html
How to fund new projects:  http://www.che.wisc.edu/octave/funding.html
Subscription information:  http://www.che.wisc.edu/octave/archive.html
-----------------------------------------------------------------------