yacas has symbolic integration and the Ryacas package interfaces to
it -- although that portion of yacas is not very mature. There are
examples in the vignette:
library(Ryacas)
vignette("Ryacas")
On Mon, Apr 21, 2008 at 7:09 AM, francogrex <francogrex at mail.com>
wrote:>
> This may be a question to R-development but I'm not sure. Symbolic
> differentiation is implemented in R (maybe not for extremely complex
> expressions), but it proves that it can be done. I know that in C++ it can
> be done (symbolic c++), do you think in R it can be programmed just using
> the R language without resorting to external sources? Does anyone know or
> can estimate the amount of resources needed to incorporate symbolic
> integration capabilities (of course R being an open source, this would be a
> completely benevolent act on the part of the experts)? The idea would be
> appealing, in a way it will contribute to the "completeness" of R
as a
> self-contained/sufficient mathematical computing system (like mathematica
> and more).
> --
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