3-D graphing software?

[Dotan Cohen]

On 22/11/2007, Amadeus W.M. <amadeus84 at verizon.net> wrote:
> On Thu, 22 Nov 2007 11:51:48 +0200, Dotan Cohen wrote:
>
> > On 22/11/2007, Amadeus W.M. <amadeus84 at verizon.net> wrote:
> >> On Tue, 20 Nov 2007 01:47:07 +0200, Dotan Cohen wrote:
> >>
> >> > In an advanced Calculus course, we are dealing with functions with 2
> >> > (and more) variables. Is there any 3-D graphing software for Fedora
> >> > available? Something like Kalgebra, but with a bit more functions
> >> > such as multiple functions graphed at the same time, asymptote min
> >> > max and other significant points, zoom into 3-D graph, graph of
> >> > derivative and integral, etc. Thanks in advance for any suggestions.
> >> >
> >> > Dotan Cohen
> >> >
> >> > http://what-is-what.com
> >> > http://gibberish.co.il
> >> > א-ב-ג-ד-ה-ו-ז-ח-ט-י-ך-כ-ל-ם-מ-ן-נ-ס-ע-ף-פ-ץ-צ-ק-ר-ש-ת
> >> >
> >> > A: Because it messes up the order in which people normally read text.
> >> > Q: Why is top-posting such a bad thing?
> >>
> >> Reading the thread I'm not exactly clear what you expect from an
> >> off-the- shelf GUI. The GUI is not psychic, nor does it understand
> >> spoken commands. You have to tell it what to plot, and you have to do
> >> so in a way it can understand. In other words, you must use certain
> >> commands and syntax. That's a programming language.
> >
> > I am looking for an app where I can enter a function, for instance:
> > z=(x^2+y^2)/(x^3-y^3)
> > and have it plotted on a graph.
>
> In matlab (probably octave as well):
>
> [x,y]=meshgrid(-10:0.1:10); % define the xy domain of the plot
> z=(x.^2+y.^2)./(x.^3-y.^3); % define the function to plot
> mesh(x,y,z);                % plot.
>

Thanks, that will get me over the first hump of the learning curve, so
that I can evaluate the applications.

Dotan Cohen

http://what-is-what.com
http://gibberish.co.il
א-ב-ג-ד-ה-ו-ז-ח-ט-י-ך-כ-ל-ם-מ-ן-נ-ס-ע-ף-פ-ץ-צ-ק-ר-ש-ת

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?