bugGNU Octave - Bugs: bug #38297, signal package: bilinear not...

 
 

bug #38297: signal package: bilinear not compatible with Matlab

Submitted by:  sarbjit <sarbjit>
Submitted on:  Sun 10 Feb 2013 04:36:41 AM UTC  
 
Category: Octave Forge PackageSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Matlab Compatibility
Status: ConfirmedAssigned to: None
Originator Name: sarbjitOpen/Closed: Open
Release: 3.6.2Operating System: Any

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Sun 10 Feb 2013 04:36:41 AM UTC, original submission:

Hi,

bilinear function which is used for conversion of analog to digital filters is not compatible with Matlab. Matlab version of this function provides support to take "pre-warping" frequency as an argument.

Matlab Syntax:-
[zd,pd,kd]=bilinear(z,p,k,fs)
[zd,pd,kd]=bilinear(z,p,k,fs,fp)
[numd,dend]=bilinear(num,den,fs)
[numd,dend]=bilinear(num,den,fs,fp)
[Ad,Bd,Cd,Dd]=bilinear(A,B,C,D,fs)
[Ad,Bd,Cd,Dd]=bilinear(A,B,C,D,fs,fp)

While the bilinear available in Octave has the following syntax:

usage: [Zz, Zp, Zg] = bilinear(Sz, Sp, Sg, T)
[Zb, Za] = bilinear(Sb, Sa, T)

For more details refer :
http://www.mathworks.in/help/signal/ref/bilinear.html

-Sarbjit

sarbjit <sarbjit>

 

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  • -unavailable- added by mtmiller (Updated the item)
  • -unavailable- added by sarbjit (Submitted the item)
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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 21 Jun 2013 03:22:41 AM UTCmtmillerStatusNone=>Confirmed
      Summarysignal package: bilinear function in Octave is not compatible with Matlab =>signal package: bilinear not compatible with Matlab
    Sun 10 Feb 2013 05:08:42 PM UTCmtmillerCategoryNone=>Octave Forge Package
      Operating SystemMicrosoft Windows=>Any
      Summarybilinear function in Octave is not compatible with Matlab =>signal package: bilinear function in Octave is not compatible with Matlab

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