Look at the rootSolve package[1] for what you need. Hope it helps... -- H On Sat, 2 Feb 2019 at 06:46, malika yassa via R-help <r-help@r-project.org> wrote:
> Please, can you help me I have a equation to solve by newton method but I > can not do it > for example > > f<-function(x) { > > > 2+X2-X3=0} > this equation have un solution in [1,2] > is there a function in R for solve it or i have to programme it > > > > > [[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. > -- OpenPGP: https://sks-keyservers.net/pks/lookup?op=get&search=0xFEBAD7FFD041BBA1 If you wish to request my time, please do so using *bit.ly/hd1AppointmentRequest <http://bit.ly/hd1AppointmentRequest>*. Si vous voudrais faire connnaisance, allez a *bit.ly/hd1AppointmentRequest <http://bit.ly/hd1AppointmentRequest>*. <https://sks-keyservers.net/pks/lookup?op=get&search=0xFEBAD7FFD041BBA1>Sent from my mobile device Envoye de mon portable [[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.