?ga states that ga() searches for the maximum of the fitness function. The maximum of your fitness function is at x=0.
On Sun, Sep 25, 2022 at 4:52 AM Bert Gunter <bgunter.4...@gmail.com> wrote: > We aren't supposed to do homework on this list. > > Bert Gunter > > On Sat, Sep 24, 2022 at 5:29 PM Barry King via R-help < > r-help@r-project.org> > wrote: > > > I am having difficulty solving for 5 in this coded snippet. Please help. > > ------------------- > > library(GA) > > > > # Solve for x where x^2 = 25, not x^2 <= 25 > > > > f <- function(x) > > { > > x^2-25 > > } > > > > fitness <- function(x) -f(x) > > > > GA <- GA <- ga(type = "real-valued", fitness = fitness, lower = 0, upper > = > > 10) > > summary(GA) > > ------------------------- > > Thank you, > > Barry King > > > > -- > > > > > > > > > > > > > > This message is for the intended recipient only and may contain > > confidential and privileged information. If you are not the intended > > recipient, please return this message to the sender and delete this > message > > and any attachments from your computer. > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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. > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.