[R] D function
hodgess at uhddx01.dt.uh.edu
Sat Sep 16 16:21:22 CEST 2000
Dear R People:
Suppose I put in the following:
> w1 <- expression(2*x)
> v1 <- expression(x^2)
and I want to get the derivative of w1 * v1 with respect to x
Error in w1 * v1 : non-numeric argument to binary operator
Is there a way around this, please?
Thanks in advance!
Erin M. Hodgess, Ph.D.
Department of Computer and Mathematical Sciences
University of Houston - Downtown
One Main Street
Houston, TX 77002
e-mail: hodgess at uhddx01.dt.uh.edu
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
More information about the R-help