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

 
 

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

Submitter:  None
Submitted:  Wed 02 Nov 2016 03:03:48 PM UTC
   
 
Category:  Octave Package Severity:  1 - Wish
Priority:  3 - Low Item Group:  Feature Request
Status:  Duplicate Assigned to:  None
Originator Name:  Originator Email:  -email is unavailable-
Open/Closed:  * Closed Release:  * other
Operating System:  * Any Fixed Release:  None
Planned Release:  None
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Wed 04 Apr 2018 01:33:40 AM UTC, comment #3: 

This will be resolved as part of bug #46444, when it is completed and merged. Closing as a duplicate.

Mike Miller <mtmiller>
Group Member
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>
Group 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>
Group Member
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(2*pi*8000,2*pi*12000,1,20,'s')

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

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



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  • -email is unavailable- added by jwe (Updated the item)
  • -email is unavailable- added by gasparini
  • -email is unavailable- added by mtmiller (Posted a comment)
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    Follow 25 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-04-04 mtmiller StatusPostponed Duplicate
        Open/ClosedOpen Closed
        Dependencies- Depends on bugs #46444
    2017-08-13 jwe Summarysignal package: buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation [octave forge] (signal) buttord, cheb1ord, cheb2ord, ellipord functions analog filter order estimation
    2017-03-05 gasparini Carbon-Copy- Added -email is unavailable-
    2016-11-02 mtmiller 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
    2016-11-02 rik5 Carbon-CopyRemoved 72865 -
    2016-11-02 rik5 Severity1 - 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
    2016-11-02 mtmiller CategoryOctave Function Octave 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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