作者asynchronous (同步)
看板Math
标题[几何] vector field
时间Tue Jul 12 00:09:52 2011
S is a surface, F is a vector field in R^3
if F is constant on S, and F˙n = 0 on S (n is the normal vector of S)
is it necessary that ▽˙F = 0 on S ?
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 122.116.231.237
1F：→ ricestone :散度定理 07/12 04:55