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a newbie problem with 3d graphing

• To: mathgroup at smc.vnet.net
• Subject: [mg25797] a newbie problem with 3d graphing
• From: tgarshol at stud.hia.no (tom)
• Date: Wed, 25 Oct 2000 03:53:52 -0400 (EDT)
• Organization: Nextra Public Access
• Sender: owner-wri-mathgroup at wolfram.com

 I have this formula: y(x)=(1-x^2)^0.5.     , from a(-0.5) to b(0.5)

I want to rotate this line along the x-axis. How do I do this ?

anybody help me ?

tom
reoccuring dreams