Ryacas (version 0.4.1)

Ryacas-package: R interface to yacas computer algebra package

Description

Ryacas allows one to use the yacas computer algebra package entirely from within R. It takes an R expression, an R one line function or a yacas string and returns an R expression or a variety of other formats. It can be used for symbolic mathematics, exact arithmetic, ASCII pretty printing and R to TeX conversions. The main command is yacas and ?yacas provides some information on installation and startup.

Details

The following are sources of information on "Ryacas":

DESCRIPTION file	library(help = Ryacas)
List of demo files	demo(package = "Ryacas")
Demo file	demo("Ryacas")
Demo	demo("Ryacas-PrettyPrinter")
Demo	demo("Ryacas-Function")
Demo	demo("Ryacas-Sym")
Demo	demo("Ryacas-Expr")
List Vignettes	vignette(package = "Ryacas")
Vignette	vignette("Ryacas")
This File	package?Ryacas
Help files	?yacas, ?yacasTranslations, ?yacmode, ?Sym
Help files - Windows	?yacasInstall
News	RShowDoc("NEWS", package = "Ryacas")
Acknowledgements	RShowDoc("THANKS", package = "Ryacas")
Wish List	RShowDoc("WISHLIST", package = "Ryacas")
Home page	http://code.google.com/p/ryacas/

Examples

# NOT RUN {
print(yacas(expression(integrate(1/x, x))))
print(yacas("Integrate(x)1/x"))
x <- Sym("x"); Integrate(1/x, x)
acos(Sym("1/2"))

# }