Name: Anonymous 2013-01-21 5:29
Hi. I'm stuck and need your help/suggestion. I need to find the second derivative of g : \mathbb{R}^m \to \mathbb{R} defined by
I already found a first derivative ([math]\forall v \in \mathbb{R}^m [\math]) :
But I'm stuck there. Should I search (\delta_v f)' ? I have no idea how to proceed.
Suggestion?
Oh, and I hope LaTeX works.
g(x) = \frac{1}{1 + ||x||^2}
I already found a first derivative ([math]\forall v \in \mathbb{R}^m [\math]) :
g'(x)[v] = \frac{-2 (x | v)}{(1 + ||x||^2)^2}
But I'm stuck there. Should I search (\delta_v f)' ? I have no idea how to proceed.
Suggestion?
Oh, and I hope LaTeX works.