Re: Plotting a x,y,z function
- To: mathgroup at smc.vnet.net
- Subject: [mg98711] Re: Plotting a x,y,z function
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 16 Apr 2009 04:19:36 -0400 (EDT)
- Organization: Uni Leipzig
- References: <gs47lm$7p3$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
you have to define what you mean with r
Regards
Jens
chem_chick wrote:
> I needed help plotting the following function:
>
> f[x_,y_,z_] = (x^2+y^2+z^2) e^-(r^2/2)
>
> ContourPlot3D[(x^2 + y^2 - z^2) Exp[-r^2/2], {x, -10, 10}, {y, -10,
> 10}, {z, -10, 10}]
>
> does not work because it doesn't understand what r (radius) is....what
> is the keyword/whatever for radius? Or do I have to define r in terms
> of x,y,z somehow?! Help with syntax will be great!
>
> Thanks!
>