Re: Maxwell's density function grinds Octave

[Gad Abraham]

Paul Thomas wrote:
> Henry F. Mollet wrote:
>
> > Why is a problem of running out of colors rather than only a problem 
> > of too
> > fine a grid?  I only get two colors, red outside and green inside of what
> > can be seen of the saddle.
> Yes, that is what I saw too.  However, the last message from gnuplot, 
> before it fell off this mortal coil, was that it was running out of 
> colours.  Mine is a pre-release version 4.0.
>
> However, a 2001x731 mesh does seem to be unnecessily fine - wire 
> surfaces tend to look better when open because of the reduced tendency 
> of concentrations of lines on the image plane do go black.
>
> Paul T
>
> > GNU Octave, version 2.1.46 (powerpc-apple-darwin6.6)
> > G N U P L O T Version 3.8i patchlevel 0
> > Henry
> >
> >
> > on 8/21/04 4:40 AM, Paul Thomas at address@hidden wrote:
> >
> >  
> >
> > > Reduce the mesh dimensions by a factor 20x10!
> > >
> > > ie.
> > >
> > >   
> > >
> > > > V = 0:20:2000;
> > > > t = 273.15:10:1073.15;
> > > >     
> > >
> > > octave did OK with the original but Gnuplot crashed!  Matlab R13 does 
> > > not do
> > > well with the original mesh either.  Both run out of colours for the 
> > > plot.

I've changed the dimensions to:

V = 0:20:1000;
t = 273.15:50:1073.15;

Now I can actually see a nice 3D saddle (and it only take a second to 
generate).

What's left is to explore what else Octave has to offer ;-)

Thanks for your help,
Gad


--
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