[Octave-bug-tracker] [bug #57764] Bode plot rerun problem

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?57764>

                 Summary: Bode plot rerun problem
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fri 07 Feb 2020 01:45:47 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: Nick Christodoulou
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.2.0
        Operating System: Microsoft Windows

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Details:

Hello 
I am running the following script: 
 

pkg load control; 
clear global; 
s = tf('s'); 
tf = 1/(1+s*0.318e-8); 
bode(tf):
+verbatim-

The first run time the Bode plots appears well. When I try to rerun the script
the following error appears: 


>> Bode 

error: freqresp: second argument 'w' must be a real-valued vector of
frequencies 
error: called from 
    freqresp at line 52 column 5 
    subsref at line 39 column 13 
    Bode at line 3 column 3 
>> 

Any help please? 

Regards 
 Nick





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