[Octave-bug-tracker] [bug #65298] fft and ifft do not work correctly and do not agree with Matlab

[Pavlo Bobrek]

URL:
  <https://savannah.gnu.org/bugs/?65298>

                 Summary: fft and ifft do not work correctly and do not agree
with Matlab
                   Group: GNU Octave
               Submitter: bobrek
               Submitted: Mon 12 Feb 2024 09:37:15 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: bobrek
        Originator Email: 
             Open/Closed: Open
                 Release: 8.4.0
         Discussion Lock: Any
        Operating System: Microsoft Windows
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Mon 12 Feb 2024 09:37:15 PM UTC By: Pavlo Bobrek <bobrek>

pkg load signal
pkg load communicatons
[h, sT] = rcosfir(0.2,[-6 6], 64, 1, 'sqrt');
figure(1)
plot(h)
figure(2)
plot(ifft(fft(h)))

figure(1) and figure(2) should be the same. They are not even close.








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