[R] Question on Variabeles
dwinsemius at comcast.net
Sat Mar 7 23:30:10 CET 2009
I fear that you are looking for a symbolic algebra system, and R is
not that sort of platform. If I am correct and you still want to
access a symbolic algebra system from R, then you should look at YACAS
and the interface to it, Ryacas.
On Mar 7, 2009, at 9:52 AM, David1234 wrote:
> Hi everyone,
> Im quite new to R an I have the following Question:
> I would like to define Variables which I can add and multiply etc.
> and that
> R can simplyfy the terms.
> The variables should stand for integers.
> For example I would like to have an entry in an array with
> variable z
> and if I add b+z the field should now contain 2z+b. Or if
> the field
> contains 1 and I add z the field should contain 1+z.
> How can I solve this problem?
> I tried to set z=integer and then for example matrix[1,1]=i
> But this does only work if I assign a value for z first.
> I am very grateful for any help.
> Thank you very much!
> View this message in context: http://www.nabble.com/Question-on-Variabeles-tp22388117p22388117.html
> Sent from the R help mailing list archive at Nabble.com.
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
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