Re: Octave Control package bug ?

On 2020-09-16 07:24, Parameshwara Bhat wrote:
> On Wednesday, 16 September, 2020 5:47:26 PM IST Doug Stewart wrote:
> 
> 
>>
> 
>> On Wed, Sep 16, 2020 at 5:44 AM Andreas Weber <[email protected][1]> wrote:
> 
> 
> Am 31.08.20 um 10:12 schrieb Parameshwara Bhat:
>> This error I receive even if I give the exact demo commands for the functions from the Documentation,like
>>
>> "s=tf('s');
>>   g=1/(s+1);
>>   pzmap(g); "
> 
> I can reproduce this with control-3.2.0 and get:
> 
> octave:1> pkg load control
> octave:2> s=tf('s');
> octave:3> g=1/(s+1);
> octave:4> pzmap(g);
> error: __zero__: function called with too many inputs
> error: called from
>      __zero__
>      zero at line 140 column 23
>      pzmap at line 78 column 7
> 
> This file where this is triggered is @lti/zero.m
> but I'm not familiar enough to understand that this should be called.
> 
> -- Andy
> 

I do not see the problem with control 3.2.0.



octave:10> pkg load control
octave:11> clear
octave:12> s=tf('s');
octave:13> g=1/(s+1);
octave:14> pzmap(g);
ans = -7.7682
octave:15> version()
ans = 6.0.90
octave:16> pkg list control
Package Name  | Version | Installation directory
--------------+---------+-----------------------
      control *|   3.2.0 | /home/tomdean/octave/control-3.2.0

Tom Dean