作者chat543 (小ㄐ)
看板trans_math
标题[多变] 问极值?
时间Sun Jun 29 01:14:54 2008
Find the maximum and minimum values of f(x,y,z) =x-2y+z , with the
constraints x^2+y^2+z^2 = 1 and x+y+z=0.
他有两个限制条件~不知道要怎嚜求?
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