Message-ID: <CAP01uR=ikzboW7RzJc7vK6Chhq+zWj4328hzwg6g7UyhZTM3RQ@mail.gmail.com>
Date: 2012-09-04T19:02:16Z
From: Gabor Grothendieck
Subject: Ryacas
In-Reply-To: <1346783683711-4642204.post@n4.nabble.com>
On Tue, Sep 4, 2012 at 2:34 PM, Jason Romine <jromine at usgs.gov> wrote:
> I am having issues with Ryacas errors. I searched and found this error was
> reported in 2006, but nothing since.
>
It works for me on my Windows Vista laptop. Suggest you review the
toubleshooting section on the home page
http://ryacas.googlecode.com/#TROUBLESHOOTING
> library(Ryacas)
Loading required package: XML
> library(Ryacas)
> yacas(expression(Factor(x^2-1)))
[1] "Starting Yacas!"
expression((x + 1) * (x - 1))
> yacas("D(x)Sin(x)")
expression(cos(x))
>
> x <- Sym('x')
> (x+1) * (x-1)
expression((x + 1) * (x - 1))
--
Statistics & Software Consulting
GKX Group, GKX Associates Inc.
tel: 1-877-GKX-GROUP
email: ggrothendieck at gmail.com