Hi R People: Is there a package for automatic differentiation, please? thanks in advance, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: erinm.hodgess at gmail.com
"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