Ryacas-package {Ryacas}R Documentation

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/

Note

There is a note in the help file of the yacas command that discusses a number of installation and startup issues.

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"))
## End(Not run)

[Package Ryacas version 0.2-9 Index]