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

[John W. Eaton]

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