作者taigoinwo (do you know ??)
站内NTUMath94
标题[问题] 请教高微数学
时间Mon May 22 01:04:29 2006
１．
If F(x, y, u, v) = 0 and G(x, y, u, v) = 0, find
σu/σx, σu/σy,σv/σx,andσv/σy
２．
Let f(x, y, z) = 3x^2 + 3y^2 + z^2. Show that f has a
constrained minimum value on M = {(x, y, z) : x + y +
z = 1} and find the minimum value of f on M.
请问一下这要怎麽算呢
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