Re: 3D graph with assumptions

• To: mathgroup at smc.vnet.net
• Subject: [mg50824] Re: 3D graph with assumptions
• From: Paul Abbott <paul at physics.uwa.edu.au>
• Date: Wed, 22 Sep 2004 04:52:02 -0400 (EDT)
• Organization: The University of Western Australia
• References: <ciqvj2\$im4\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```In article <ciqvj2\$im4\$1 at smc.vnet.net>, mbekkali at gmail.com (Mukhtar)
wrote:

> Suppose I have f(x,y) that I need to Plot in 3D, however, the range of
> x is (0,1) while the range of y is (0,g(x)), where g(x) is some
> explicit function of x, say x^1/2.  Is there a way to do it since
> specifying it directly the way I outlined above in Plot3D gives me the
> error message that "Plot3D :: plln: Limiting value g(x) in {y,0,g(x)}
> is not a machine-size real number". Perhaps I can do this indirectly
> by plotting two surfaces and then consider the relevant part of
> surface f(x,y), however, it would look ugly. Thanks.
>

See

Cheers,
Paul

--
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```

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