作者cotton757 (cotton757)
看板Math
標題[分析] gradient
時間Sun May 31 15:12:10 2009
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For each of the following functions, find the derivative vector \/f(x) for
n
those points x in R where is defined :
2
||x|| n
1.f(x) = e for x in R
1 3
2.f(x) = --------- for x in A = {x in R |x =/= 0}
||x||^2
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