p*t 发帖数: 1210 | 1 【 以下文字转载自 Mathematics 讨论区,原文如下 】
发信人: pot (1996年+), 信区: Mathematics
标 题: a geometry question
发信站: Unknown Space - 未名空间 (Fri Apr 15 15:16:13 2005) WWW-POST
I have a profile and revolve it 360degrees. What is the the normal curvature
at an arbitrary point P on the surface? The plot is on the link, but cant be
displayed right.thanks. |
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