[Octave-bug-tracker] [bug #45811] ellipord: complex result

[Charles Praplan]

URL:
  <http://savannah.gnu.org/bugs/?45811>

                 Summary: ellipord: complex result
                 Project: GNU Octave
            Submitted by: charprap
            Submitted on: Sun 23 Aug 2015 10:55:34 AM GMT
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Microsoft Windows

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Details:

Hi,

The function ellipord used for the bandstop filter below delivers a complex
order. The same kind of bug (38528) has already been submitted and corrected,
but the fix does not help in this case.

Thank you



pkg load signal
Wpass=[0.14000   0.44643];
Wstop=[0.24750   0.25253];

Rpass = 3;
Rstop = 80;

[N, Wn] = ellipord(Wpass, Wstop, Rpass, Rstop);
N





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