Re: Plotting

[Ben Abbott]

 On Monday, April 13, 2009, at 11:28AM, "John W. Eaton" <address@hidden> wrote:
>On 13-Apr-2009, Ben Abbott wrote:
>
>| On Apr 13, 2009, at 5:54 AM, asha g wrote:
>| 
>| > I am trying to plot two plots on the same plot :;
>| > hold on
>| > deltaT = 0.0035; niter = 10000;
>| > t = linspace ( 0,deltaT*niter, niter)
>| > vv1 = vvvv(:,1);
>| > vvN = vvvv(:,N);
>| >
>| > plot(t,vv1,'r*')
>| > plot(t,vvN,'b')
>| >
>| > hold off
>| >
>| > I am only getting one plot in blue but the legend says vv1.
>| >
>| > I am using octave 3.03 in a Centos environment.
>| >
>| > Both vv1 and vvN are generating values that are different and should  
>| > thus plot. Could someone help me.
>| > Thanks
>| > Asha
>| 
>| There is a but in your version of octave. Try this ...
>| 
>| > plot(t,vv1,'r*')
>| > hold on
>| > plot(t,vvN,'b')
>| > hold off
>
>It should also work if the order is
>
>  hold on
>  x = -10:0.01:10;
>  plot (x, sin (x));
>  plot (x, cos (x));
>  hold off
>
>If that's not working properly, then there is a bug, but I don't know
>what would be cuasing it.  It works properly for me with
>Octave 3.0.4, 3.1.54, and the current development sources.  Does my
>simple example above that plots sine and cosine waves work for you?
>
>jwe
>

Your example does not work for me running 3.0.3, but does work for 3.1.54.

Ben