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[Octave-bug-tracker] [bug #36521] signal package: buttord() overdesigns
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From: |
Juan Pablo Carbajal |
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Subject: |
[Octave-bug-tracker] [bug #36521] signal package: buttord() overdesigns |
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Date: |
Thu, 24 Nov 2016 00:52:32 +0000 (UTC) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.100 Safari/537.36 |
Follow-up Comment #2, bug #36521 (project octave):
Using signal 1.3.2, I get
++
[n, Wn] = buttord([0.16 0.24], [0.12 0.32], 3, 12)
warning: buttord: seems to overdesign bandpass and bandreject filters
warning: called from
buttord at line 60 column 5
n = 3
Wn =
0.15988 0.24017
--
If n is the order of the filter (is not mentioned in the help of this function
nor of function butter) it seems now the filter is under-designed.
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