Ryacas (version 0.2-6)

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": ll{ 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 file.show(system.file("NEWS", package = "Ryacas")) Acknowledgements file.show(system.file("THANKS", package = "Ryacas")) Wish List file.show(system.file("WISHLIST", package = "Ryacas")) Home page http://code.google.com/p/ryacas/ }

Examples

print(yacas(expression(integrate(1/x, x))))
print(yacas("Integrate(x)1/x"))
x <- Sym("x"); Integrate(1/x, x)
acos(Sym("1/2"))