| Ryacas-package {Ryacas} | R Documentation |
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.
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 | 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/ |
There is a note in the help file of the yacas command that discusses a number of installation and startup issues.
## 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)