On 22/11/2007, Amadeus W.M. <amadeus84@xxxxxxxxxxx> wrote: > On Thu, 22 Nov 2007 11:51:48 +0200, Dotan Cohen wrote: > > > On 22/11/2007, Amadeus W.M. <amadeus84@xxxxxxxxxxx> 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?