Re: Problem entering functions

[Ben Abbott]

On Jun 1, 2012, at 3:09 AM, George, Michael David wrote:

> I'm trying to just run a simple root locus problem but I can't even use the 
> transfer function on octave. 
> 
> Here's what I type in and this is what I get:
> 
> sys=tf([1], [1 8 32 0]);
> error: 'tf' underfined near line 7 column 5
> 
> What am I doing wrong??

I suspect you haven't installed the system control toolbox ... or don't have it 
loaded.

Type "ver" from the command line. Do you see "control" listed ?

If not, you'll need to install the control toolbox.

If it is listed, is there an asterix (*) next to it? If not type "pkg load 
control"

Ben