Hi r-help-boun...@r-project.org napsal dne 11.04.2011 09:43:03:
> Hi all, > > I have two matrices: > > G<-matrix(c(2.0, 0.5, 0.5, 0.5, 2.0, 0.5, 0.5, 0.5,2.0),3,3) > P<-matrix(c(1.0, 0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5,1.0),3,3) > > and I want to run this equation to get a new matrix F: > > F = [P+2G]^-1/2 P [P+2G]^-1/2 Is this what you want? (P+2*G)^-1/2 * P * (P+2*G)^-1/2 Regards Petr > > Could someone please tell me how to code this in R? > > Many thanks in advance for your time. > > Best wishes, > Matt > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.