Re: Signal library problem

[Dmitri A. Sergatskov]

On Thu, May 23, 2019 at 8:18 AM JORGE JONATHAN DIAZ PIÑA
<address@hidden> wrote:
>
> hi!
> i'm using your library in Octave and i have a problem in the function ss2tf, 
> the value returned of the function should be a vectors and the size of this 
> depend of the grade of the matrix, but the function returns a vectors who 
> depend of te numbers diferents of zero.
> if you don't understand me i put a example:
>
> --this is mat:
> A=[1 1 0; 1 -1 0; 0 0 -2];
>
> B=[2; 1; 1];
>
> C=[1 0 1];
>
> D=[0];
>
> ---Using matlab the result is this:
>
> >> [ num , den ] = ss2tf( A, B, C, D )
>
> num =
>
>      0     1     2     0
>
>
> den =
>
>      1     1    -2     0
>
>
> ---Using octave the result is:
>
> [ num , den ] = ss2tf( A, B, C, D )
> num =  1
> den =
>
>    1  -1
>
>
> ---------------
> octave don't return the correct result and send a diferent size
>
>

I cannot reproduce this problem.

What is your
octave version?
OS ?
signal package version?
control package version?

Regards,

Dmitri.
--