Re: bilinear transformation function in octave is different from matlab

[sarbjit]

I am actually a beginner to Octave/Matlab and I learn/use the commands on need basis.

Following page does explains the usage of "pre-warping" frequency.

http://www.mathworks.in/help/signal/ref/bilinear.html

-Sarbjit

On Fri, Feb 8, 2013 at 3:36 PM, Juan Pablo Carbajal-2 [via Octave] <[hidden email]> wrote:

On Fri, Feb 8, 2013 at 8:16 AM, sarbjit <[hidden email]> wrote:

> Hi,
>
> I could see difference in "bilinear" function available in Octave from
> Matlab. Function available in Matlab can take additional optional parameters
> which are missing in Octave. So, I am looking to achieve the same
> functionality in Octave.
>
> bilinear function available in matlab has the following options :-
>
> 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)
>
>
> Can some one please tell me if there is an equivalent function available in
> Octave. I want to specify optional prewarping parameter fp which can be
> specified in Matlab.
>
> regards,
> Sarbjit
>
>
>
>
>
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Hi Sarbjit,

Do you thin you can improve the interface of bilinear to make it more
Matlab compatible?

JPi

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