[Tugindia] Drawing a surface with a tangent plane

[Senthil Kumar M]

On Thu, Aug 27, 2009 at 4:17 PM, David Owen<twychicky at gmail.com> wrote:
> Hi, Everybody,
> Can anyone tell me how I may draw, in a Latex document, a 3D-surface
> together with a tangent plane at a point on that surface with the outward
> tangent at that point? Is there any Graphics package which will help me do
> this? Is this the correct place to ask this question?
> Thanks very much.
> D.O.

Hi,

Asymptote: http://asymptote.sourceforge.net/  plots 3D graphs:
http://asymptote.sourceforge.net/gallery/3D%20graphs/index.html

Asymptote code could be embedded in your LaTeX file itself:
http://asymptote.sourceforge.net/doc/LaTeX-usage.html

HTH,

Senthil