From bug-octave-request at bevo dot che dot wisc dot edu Wed Feb  4 10:23:19 2004
Subject: Re: tf2zp causes segfault (error in __sysdefstname__.m)
From: "Dmitri A. Sergatskov" <dmitri at unm dot edu>
To: johannes <qaz99af at 123mail dot org>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Wed, 04 Feb 2004 09:25:13 -0700

johannes wrote:
> Bug report for Octave 2.1.53 configured for i386-pc-linux-gnu
> 
> Description:
> -----------
> tf2zp causes segmentation fault  and complaints about 
> /usr/share/octave/2.1.53/m/control/system/__sysdefstname__.m
> near line 28, column 10
> 
> "warning: list objects are deprecated; use cell arrays instead"
> 

The problem fixed in recent octave-forge:

[dima at localhost octave]$ octave
GNU Octave, version 2.1.53 (i686-pc-linux-gnu).
Copyright (C) 2004 John W. Eaton.
...
gnuplot_binary = mygnuplot
automatic_replot = 0
octave:1> num=[ 0 0 4 16 12 ];
octave:2> den=[ 1 12 44 48 0 ];
octave:3> [zer,pol,k] = tf2zp(num,den)
zer =

   -3
   -1

pol =

   -6.00000
   -4.00000
   -2.00000
    0.00000

k = 0
octave:4> which tf2zp
tf2zp is the user-defined function from the file
/usr/local/share/octave/2.1.53/site/m/octave-forge/FIXES/tf2zp.m


Regards,

Dmitri.



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