"David Barron" <[EMAIL PROTECTED]> writes: > For inner product see ?"%*%". There is a norm function in the Matrix package.
Or crossprod(). Notice that this gives _squared_ norms when applied to a single vector. > On 30/09/06, Sonal Darbari <[EMAIL PROTECTED]> wrote: > > Hi, > > > > How do we find out the inner product & norm of eigen vectors in R? > > > > Lets say we have eigen vectors : > > x1 = 1,2,3 and x2 = 2,-3,4 > > > > are there any functions buit in R which directly calculate the inner product > > & norm of vectors? > > > > Thanks, > > Sonal. > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > [email protected] 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. > > > > > -- > ================================= > David Barron > Said Business School > University of Oxford > Park End Street > Oxford OX1 1HP > > ______________________________________________ > [email protected] 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. > -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [email protected] 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.
