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? ron shenk shenk at math.gatech.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 _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
availability of a "solve" function in R?
2 messages · Ron Shonkwiler, Achim Zeileis
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
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