See if the examples in demo(Ryacas)
are what you want (after installing and loading the package). See: http://ryacas.googlecode.com On Nov 28, 2007 10:06 PM, <[EMAIL PROTECTED]> wrote: > Hi, > > I want to ask a question about expression for object. > In the example parts, I saw > trig.exp <- expression(sin(cos(x + y^2))) > D(trig.exp, c("x", "y")) > > Now, I want to define a complex function in "expression", for example, > f1(x)=... > f2(y)=.. > final f=f2(f1(x)+4) > > may I define such expression with many statements? > thanks. > > regards, > wei > > > -- > Wei Guo > Department of Statistics > The Ohio State University > Columbus, Ohio 43210 > Tel: 001-614-292-4713(o) > e-mail: [EMAIL PROTECTED] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.