[Octave-bug-tracker] [bug #57576] freqz error when using complex data and a specific range of frequencies

[Laurent Haas]

URL:
  <https://savannah.gnu.org/bugs/?57576>

                 Summary: freqz error when using complex data and a specific
range of frequencies
                 Project: GNU Octave
            Submitted by: f6fvy
            Submitted on: ven. 10 janv. 2020 18:07:12 UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: Microsoft Windows

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Details:

When using complex data input and a specific range of frequencies, freqz
generates an error and fails.



>> y = ones(1,5000) + i*ones(1,5000);
>> freqz(y(1:5000), 1, [-4E6:.01E6:4E6], 2.5E6);
error: __plt2vv__: vector lengths must match
error: called from
    __plt__>__plt2vv__ at line 482 column 5
    __plt__>__plt2__ at line 242 column 14
    __plt__ at line 107 column 18
    plot at line 223 column 10
    freqz_plot at line 55 column 3
    freqz at line 194 column 5
>>



Other details in this thread :
https://lists.gnu.org/archive/html/help-octave/2020-01/msg00032.html




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