Eliano Marques <eliano.m.marq...@gmail.com> writes: > Hi there, > > I need help in an optimization procedement. > > I'm trying to maximize the function fn=x^2+5y^2 with the restriction of > fn1=x-y<=5. > > I tried the genoud method and as well the alabama method. > > I have problems to set the constraint in R. > > Can someone help me please?
Probably not. fn <- function(x,y) x^2+5*y^2 fn1 <- function(x) x-5 # solve for y at boundary curve( fn(x,fn1(x)), -1000,1000) what maximum? Chuck > > Regards, > Eliano > > [[alternative HTML version deleted]] > -- Charles C. Berry Dept of Family/Preventive Medicine cbe...@tajo.ucsd.edu UC San Diego http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901 ______________________________________________ R-help@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.