bugGNU Octave - Bugs: bug #49514, [octave forge] (signal) buttord,...

 
 

bug #49514: [octave forge] (signal) buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation

Submitted by:  None
Submitted on:  Wed 02 Nov 2016 03:03:48 PM UTC  
 
Category: Octave Forge PackageSeverity: 1 - Wish
Priority: 3 - LowItem Group: Feature Request
Status: PostponedAssigned to: None
Originator Name: Originator Email: -unavailable-
Open/Closed: OpenRelease: other
Operating System: Any

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Wed 02 Nov 2016 03:30:13 PM UTC, comment #2:

The buttord function is in the signal package from Octave-Forge. Changing the category. What version of the Octave-Forge package are you using?

Rik <rik5>
Project Administrator
Wed 02 Nov 2016 03:30:06 PM UTC, comment #1:

Confirmed, the same applies to the functions cheb1ord, cheb2ord, and ellipord.

Patches welcome.

Mike Miller <mtmiller>
Project Administrator
Wed 02 Nov 2016 03:03:48 PM UTC, original submission:

In matlab the buttord filter can compute the order of analog filters too.

For example the function can be called with the 's' parameter:

buttord(2pi8000,2pi12000,1,20,'s')

the frequencies are not normalized with the 's' parameter.

This functionality is not implemented in the buttord function from the signal package.

Anonymous

 

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Carbon-Copy List
  • -unavailable- added by jwe (Updated the item)
  • -unavailable- added by gasparini
  • -unavailable- added by mtmiller (Posted a comment)
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    Follow 22 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sun 13 Aug 2017 12:50:37 PM UTCjweSummarysignal package: buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation=>[octave forge] (signal) buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation
    Sun 05 Mar 2017 10:20:39 AM UTCgaspariniCarbon-Copy-=>Added -unavailable-
    Wed 02 Nov 2016 03:37:09 PM UTCmtmillerSeverity3 - Normal=>1 - Wish
      Priority5 - Normal=>3 - Low
      Item GroupMatlab Compatibility=>Feature Request
      StatusNone=>Postponed
      Release4.0.0=>other
      Summarybuttord function missing functionality=>signal package: buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation
    Wed 02 Nov 2016 03:30:34 PM UTCrik5Carbon-CopyRemoved 72865=>-
    Wed 02 Nov 2016 03:30:13 PM UTCrik5Severity1 - Wish=>3 - Normal
      Priority3 - Low=>5 - Normal
      Item GroupFeature Request=>Matlab Compatibility
      StatusPostponed=>None
      Releaseother=>4.0.0
      Summarysignal package: buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation=>buttord function missing functionality
    Wed 02 Nov 2016 03:30:06 PM UTCmtmillerCategoryOctave Function=>Octave Forge Package
      Severity3 - Normal=>1 - Wish
      Priority5 - Normal=>3 - Low
      Item GroupMatlab Compatibility=>Feature Request
      StatusNone=>Postponed
      Release4.0.0=>other
      Summarybuttord function missing functionality=>signal package: buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation

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