[R] [R-pkgs] New package Ryacas

[Gabor Grothendieck]

Ryacas is an R interface to the free yacas computer algebra
system.  Ryacas allows one to send R expressions,
unprocessed yacas strings and certain other R objects to a
separate yacas process from R and get back the result.  It
also has facilities for manipulating yacas strings and R
expressions destined for yacas processing.

It can be used for exact arithmetic, symbolic math, ASCII
pretty printing and translating R to TeX.


Online info.  For overview, pointers to additional
information, installation instructions and a sample session
see:

    http://code.google.com/p/ryacas/

The vignettes can be viewed online here:

    http://ryacas.googlecode.com/svn/trunk/inst/doc/Ryacas.pdf
    http://ryacas.googlecode.com/svn/trunk/inst/doc/Ryacas-Sym.pdf


More. Once Ryacas is installed, pointers to additional
information can be found with these R commands:

    library(Ryacas)
    package?Ryacas


---

Rob Goedman, goedman at mac dot com
Gabor Grothendieck, ggrothendieck at gmail dot com
Søren Højsgaard, Soren.Hojsgaard at agrsci dot dk
Ayal Pinkus, apinkus at xs4all dot nl

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