Re: Model the surface of an ellipsoid
- To: mathgroup at smc.vnet.net
- Subject: [mg93522] Re: Model the surface of an ellipsoid
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 13 Nov 2008 06:34:36 -0500 (EST)
- Organization: Uni Leipzig
- References: <gfgqib$dm1$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, and http://mathworld.wolfram.com/Ellipsoid.html has no parametric or implicit equation for you ? And you can't even download the notebook http://mathworld.wolfram.com/notebooks/Surfaces/Ellipsoid.nb ?? Too bad Regards Jens Mayneord wrote: > Hi All, > > I am looking for a way to model the surface of an ellipsoid with > Mathematica 5.2. > To define the surface, i got an equation given below : > > E[r_,d_] = Sqrt[r^2/9 + d^2/9]; > > Mathematica version of the above equation : > > \!\(\* > RowBox[{ > RowBox[{\(E[r_, d_]\), "=", > SqrtBox[ > StyleBox[\(r\^2\/3\^2 + d\^2\/3\^2\), > FontSlant->"Italic"]]}], ";"}]\) > > for example : the values of ' d ' ranges from -2 to 2 and ' r ' ranges > from -3 to 3. > > Can somebody please tell me how to make a 3D ellipsoidal surface with > this information? > > the aim is to place this ellipsoidal volume on one co-ordinate point > of a 2D image and check if there is any intercept with x or y axis > within this volume. > > i really don't know, just with this information, if it is possible to > acheive the given task. > > I sincerely appreciate your generous solutions or suggestions. > > > > Mayneord. > > > >