Surface Normal
- To: mathgroup at smc.vnet.net
- Subject: [mg55167] Surface Normal
- From: "gouqizi.lvcha at gmail.com" <gouqizi.lvcha at gmail.com>
- Date: Tue, 15 Mar 2005 00:21:52 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Hi, All: If I have a surface in parametric form For example, x = (10 + 5cosv)cosu y = (10 + 5cosv)sinu z = 5sinv How can I quickly calculate its normal for any (u,v) by mathematica Rick
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