[R] algorithmic or automatic differentiation

[David Winsemius]

"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