Date: May 5, 2013 9:00 AM
Author: Nasser Abbasi
Subject: Re: TRANSFER FUNCTION

On 5/5/2013 7:51 AM, Sergio koop wrote:
> Hi, I've been trying a very easy function in matlab but there is one problem that i
>can not fix nor understand.
>
> here is de code:
>

>>> den= [0.5 1];
>>> num= [1];
>>> G= tf(num,den)

> Undefined function 'tf' for input arguments of type 'double'.
>
>
> is there anyone who could explain me what do i have to do to solve it?
>


need control systems toolbox:

http://www.mathworks.com/help/control/ref/tf.html