[R] availability of a "solve" function in R?
Achim Zeileis
zeileis at ci.tuwien.ac.at
Sat Sep 22 14:40:21 CEST 2001
Ron Shonkwiler wrote:
>
> I would like to define a function of two variables f(x,y) and, for
> a given value of x, solve f(x,y)=0 for y.
>
> Is this available in R?
Have a look at uniroot(), e.g. do something like
R> myfun <- function(x,y) x+y
R> uniroot(function(x) myfun(x,5), c(-10,10))
cheers
Z
> ron shenk
> shenk at math.gatech.edu
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