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Re: surface intersection


pp3d=ParametricPlot3D[{Sqrt[2-y^2], y, Sqrt[2-y^2]}, {y, 0, Sqrt[2]}];

Needs["Graphics`"];

Shadow[pp3d];


Bob Hanlon

> 
> From: "David Turner" <dturner at faulkner.edu>
To: mathgroup at smc.vnet.net
> Date: 2005/10/10 Mon AM 02:39:58 EDT
> Subject: [mg61142] [mg61097] surface intersection
> 
> Hello,
>  
> I wish to plot the intersection of the surfaces x = Sqrt[2 - y^2] and z = Sqrt
[2 - y^2] which lies in the first octant.  I wish for the plot to be limitd to only 
the intersection.  My best attempt is 
>  
> ParametricPlot3D[{{Sqrt[2-t^2+0.00001], t, u}, {u, t, Sqrt[2-t^2+0.00001]}}, 
> {t, 0, Sqrt[2]}, {u, 0, Sqrt[2]}, ViewPoint -> {2.75, 2.4, 1}];
>  
> However, this shows more than the intersection
>  
> Any ideas?
>  
> Thanks in advance.
> 
> 


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