Re: Plotting

[Michael Grossbach]

martin_helm wrote:
> asha g wrote:
> > Thanks everyone for the help. I did add the hold on between both plots and
> > got the desired result. Now did things change from Octave 3.0 to 3.03 as I
> > could plot in Octave 3.0 without the hold in between the plots.
> > Also, what if I have more than 2 plots. Where do I put the hold command?
> > Asha 
> >
> > > > 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 
> > > >
> > > >
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> > > Simply add a "hold on" after the first and before the
> > > second plot command.
> > >
> > > - mh
> > >
> > > --
> > > View this message in context:
> > > http://www.nabble.com/Plotting-tp23020319p23020941.html
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>
> I checked again with 3.0.3 and you need a hold on before every further plot
> command:
>
> plot (...) 
> hold on
> plot(...)
> hold on
> plot(..)
> hold on
> plot(...)
>
> and so on (somewhat ugly). With the development version 3.1.55 this is not
> necessary. 
> I could not check with 3.0.5 since I did not install it.
>
> - mh
With Octave 3.0.3 on Windows everything works as expected, so

plot (...)
hold on
plot(...)
plot(..)
hold off

does show three graphs.

Michael