On 21/11/2007, Amit Uttamchandani <[EMAIL PROTECTED]> wrote: > > 0In an advanced Calculus course, we are dealing with functions with 2 > > (and more) variables. Is there any 3-D graphing software for Linux > > 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. > > > > I have been directed to look at some math programming languages such > > as root, octave, and R, but I really need an application, not a > > language. This app will be used by others in my calculus course, > > people with no computer background, so these language solutions simply > > will not work for us. Thanks in advance for any advice. > > Octave is great but like you said it is more like a programming language. I > think the best option for you out there is GNUPLOT. It is very powerful and > can do everything that you ask it for. The only caveat is that you have to > write some sort of "script file" for it to be effective. You can use it in > the interactive mode and do simple plots. But if you would like to add labels > and such it would be easier to put in in a gnuplot script file. I actually > think this is more powerful than a GUI application. Here is an example of a > GNUPLOT script file. > > set key left box > set samples 50 > plot [-10:10] sin(x),atan(x),cos(atan(x)) > > Which plots sin(x), arctan(x), and cos(arctan(x)) in one graph. As you can > see it is quite simple. Now, if you want to run this plot again simply save > it as "plot1.gnu" and re-run it using "gnuplot plot1.gnu" > > That's it! > > For more examples of what gnuplot can do check out this web site. > > http://gnuplot.sourceforge.net/demo_4.2/ > > Also there are front ends to gnuplot but I would rather recommend the above > "script" files as a learning tool. > > Good luck! > > Amit >
Thanks, Amit. I've played with it for just a few seconds but I've got to run... The graph seems to appear and disappear within a nanosecond. When I have more time I'll google the situation. 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?
