Re: ImplicitPlot3D problem
- To: mathgroup at smc.vnet.net
- Subject: [mg16564] Re: ImplicitPlot3D problem
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Wed, 17 Mar 1999 23:54:49 -0500
- Organization: University of Western Australia
- References: <7cd6th$o64@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Peter Meng wrote:
> when i use ImplicitPlot3D to draw a surface ,I
> meet a problem:
> ImplicitPlot3D[ (x-2+2 z)^2 + y^2 -1==0,{z,0,1},{x,1-2 z,3-2
> z},{y,-1,1}];
> I found that if x domain includes z,ImplicitPlot3D
> can't draw it.
Correct.
> and in fact, a lot of implicit formulas can't give
> the x,y,z domains.How can i draw them?
You can usually re-parameterize your domain. In this case, a simple
linear transformation, will do:
ImplicitPlot3D[(x-2)^2 + y^2 -1==0,{z,0,1},{x,1,3},{y,-1,1}];
Cheers,
Paul
____________________________________________________________________
Paul Abbott Phone: +61-8-9380-2734
Department of Physics Fax: +61-8-9380-1014
The University of Western Australia
Nedlands WA 6907 mailto:paul at physics.uwa.edu.au
AUSTRALIA http://www.physics.uwa.edu.au/~paul
God IS a weakly left-handed dice player
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