bugGNU Octave - Bugs: bug #36782, Documentation for filter incorrect

 
 

bug #36782: Documentation for filter incorrect

Submitted by:  D M <colhawk>
Submitted on:  Wed 04 Jul 2012 03:39:22 PM UTC  
 
Category: NoneSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Documentation
Status: InvalidAssigned to: None
Originator Name: Open/Closed: Closed
Release: 3.4.0Operating System: Mac OS

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Fri 06 Jul 2012 12:18:04 AM UTC, comment #2:

The documentation appears correct to me as well. See the Matlab documentation (http://www.mathworks.com/help/techdoc/ref/filter.html) which also uses the same terminology. 'b' are numerator coefficients (FIR filter) and 'a' are denominator (IIR filter).

Rik <rik5>
Project Administrator
Wed 04 Jul 2012 03:53:40 PM UTC, comment #1:

Are you sure? They look OK to me. b is the numerator coefficients and a is the coefficients of the denominator.

Doug Stewart <dastew>
Wed 04 Jul 2012 03:39:22 PM UTC, original submission:

help filter contains errors : a,b are switched and c,d are switched

D M <colhawk>

 

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 06 Jul 2012 12:18:04 AM UTCrik5Item GroupNone=>Documentation
      StatusNone=>Invalid
      Open/ClosedOpen=>Closed
      Summaryhelp documentation=>Documentation for filter incorrect

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