Re: Help with Linear Algebra Issues

[marco atzeri]

On 3/16/2012 5:09 AM, user_z wrote:
> Hi, I have been experiencing crashing problems when performing any linear
> algebra related computations with octave. This did not use to be the case
> only a few days ago.
>
> the error I get is, octave: symbol lookup error: /usr/lib/liblapack.so.3gf:
> undefined symbol: ATL_dGetNB
>
> and octave shuts down. Any type of computation that requires linear algebra
> for its solution causes this problem, example: eig(x), inv(x), etc....
>
> I have checked the referenced library (liblapack3gf) and it seems to be
> installed fine. I am running octave on Ubuntu 11.10.
>
> Please Help!

 ATL_dGetNB is a Atlas symbol

so I suspect you have installed a mix of

http://packages.debian.org/wheezy/libatlas3gf-base
http://packages.debian.org/wheezy/liblapack3gf