作者jbsh (乡民)
看板trans_math
标题[考古] 94成大
时间Wed Jun 25 14:52:27 2008
Let F(x1,x2)be a real-valued function defined on R^2 with partial derivatives
Fi=dF/dxi for i=1,2 .Suppose that variable v is implicitly defined as a
function of u by the equation F(u-v,u+v)=0 .find dv/du in terms if F1 and
F2
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※ 编辑: jbsh 来自: 125.233.77.45 (06/25 14:53)