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[Octave-bug-tracker] [bug #43242] Minor documentation error in filtfilt

From: anonymous
Subject: [Octave-bug-tracker] [bug #43242] Minor documentation error in filtfilt
Date: Wed, 17 Sep 2014 21:14:33 +0000
User-agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36


                 Summary: Minor documentation error in filtfilt
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 17 Sep 2014 09:14:31 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: Bob Walton
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: Any



Documentation error in filtfilt in the signal package version 1.3.0.  The
example in the documentation states the example filter cutoff frequency is 10
Hz; it is actually 5 Hz.

          [b, a]=butter(3, 0.1);   # 10 Hz low-pass filter
#should be 5 Hz ---------------------^^
          t = 0:0.01:1.0;          # 1 second sample


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