octave-3.0.3 crashes while executing 'expfit' ("free(): invalid pointer")

[Ben Abbott]

On Dec 15, 2008, at 10:17 PM, John W. Eaton wrote:

> On 15-Dec-2008, Sergei Steshenko wrote:
>
> | Hello All,
> |
> | the attached file, when "source"'ed from 'octave' prompt, causes  
> it to
> | crash with screen output to be found below.
> |
> | This is self-built from scratch 'octave' and friends, including  
> gcc-4.3.2
> | and lapack-3.2 on SUSE-10.3, IA32 architecture.
> |
> | It looks like the crash is data-dependent, so the attached file  
> has the
> | data generation part too, but I'm not 100% sure.
>
> I saved it in a file and I see:
>
>  octave:1> xscript
>  started expfit
>  error: `expfit' undefined near line 74 column 38
>  error: called from:
>  error:   /scratch/jwe/build/octave/xscript.m at line -1, column -1
>
> What is expfit?
>
> Can you please send a complete example?
>
> jwe

Perhaps expfit is from OctaveForge?

	http://octave.sourceforge.net/doc/f/expfit.html

Ben