[R] algorithmic or automatic differentiation
David Winsemius
dwinsemius at comcast.net
Thu May 8 05:09:35 CEST 2008
"Erin Hodgess" <erinm.hodgess at gmail.com> wrote in
news:7acc7a990805071107q3f164fd1obe231f422c916c45 at mail.gmail.com:
> Is there a package for automatic differentiation, please?
>
Have you looked at Goedman, Grothendieck, Hojsgaard, and Pinkus' Ryacas?
>From the Ryacas documentation:
Analytical derivatives of functions can be evaluated with the D() and
deriv() functions:
> yacas("D(x) Sin(x)")
expression(cos(x))
--
David Winsemius
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