[R] Solving Equations

[Gabor Grothendieck]

On Sun, Jan 22, 2012 at 4:28 PM, David Stevens <david.stevens at usu.edu> wrote:
> Though I wasn't familiar with this I check the repositories list and
> CRAN (extras) is selected in my installation (R-2.14.1). By the way,
> when trying Ryacas after what seemed to be a successful install, for a
> simple example of
>
> x <- 2
> Eval(yacas(expression(x*x)))
>
> I got the following:
>
> [1] "Starting Yacas!"
> Error in socketConnection(host = "127.0.0.1", port = 9734, server =
> FALSE,  :
>   cannot open the connection
> In addition: Warning message:
> In socketConnection(host = "127.0.0.1", port = 9734, server = FALSE,  :
>   127.0.0.1:9734 cannot be opened
>
> I tried adding yacas to my firewall exceptions but no help.
>

Read the Troubleshooting section on the Ryacas home page:

http://ryacas.googlecode.com/#TROUBLESHOOTING

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