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afun
2006 Mar 12
2
Numerical Derivatives in R
Hi,
Suppose I have an arbitrary function:
arbfun<-function(x) {...}
Is there a robust implementation of a numerical derivative routine in R
which I can use to take it's derivative ? Something a bit more than
simple division by delta of the difference of evaluating the function at
x and x+delta...
Perhaps there is a way to do this usin...