Re: One more newbie question - getting the plot to show up

[Ben Abbott]

On Nov 17, 2009, at 5:51 PM, Jason Rupert wrote:

> Thank you very much.  I guess I was overlooking Octave's transition to 
> packages.
> 
> The following worked:
> octave-3.2.3:13> pkg install control-1.0.11.tar.gz
> 
> 
> I have one other newbie question - the following is not producing a plot that 
> I can see:
> 
> octave-3.2.3:30> L = tf(3e4 * [0.0025 0.1 1], [0.01 1.03 3.03 3.01 1]);
> octave-3.2.3:31> 
> octave-3.2.3:31> bode(L)
> octave-3.2.3:32> 
> octave-3.2.3:32> print('figure.ps', '-deps')
> 
> The print successfully produces figure.ps that I can open, but evidently I've 
> over looked another step in order to produce plots.
> 
> I also tried the following:
> octave-3.2.3:27> x = -1:0.1:1;
> octave-3.2.3:28> plot (x, x.^2)
> 
> Still the plot did not appear.  
> 
> I'm on a Mac and I did install GNU Plot:
> G N U P L O T
> Version 4.2 patchlevel 6 
> last modified Sep 2009
> System: Darwin 9.8.0
> 
> Thanks for any additional feedback, as I suppose I am overlooking something.
> 
> Jason 

You're on Mac OSX correct?

If you'd likt to use X11 to produce your plots, you need to set the environment 
variable GNUTERM=x11. This can be done in your shell's startup script, or you 
can do it in Octave by ...

        setenv ("GNUTERM", "x11")

Alternatively, if you want to use Aquaterm to render you plots  (which is the 
default for Mac OSX) you'll need to install it.

Ben