From: Chee Chen <chee.chen_at_yahoo.com>

Date: Thu, 28 Apr 2011 23:08:23 -0400

R-help_at_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. Received on Fri 29 Apr 2011 - 03:19:10 GMT

Date: Thu, 28 Apr 2011 23:08:23 -0400

Dear All,

I would like to define a function: f(x,y,z) with three arguments x,y,z, such that: given values for x,y, f(x,y,z) is still a function of z and that I am still allowed to find the root in terms of z when x,y are given.
For example: f(x,y,z) = x+y + (x^2-z), given x=1,y=3, f(1,3,z)= 1+3+1-z is a function of z, and then I can use R to find the root z=5.

Thank you.

-Chee

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