On 06-04-2013, at 22:01, Bert Gunter <gunter.ber...@gene.com> wrote:
> ?chol > > ##also > Quite true and therefore: ?backsolve # forwardsolve and ?qr # qr.solve So there's a lot to choose from. Berend > -- Bert > > On Sat, Apr 6, 2013 at 11:12 AM, Berend Hasselman <b...@xs4all.nl> wrote: >> >> On 06-04-2013, at 19:58, Angelo Scozzarella Tiscali >> <angeloscozzare...@tiscali.it> wrote: >> >>> Well, I mean to use the elimination method to transform the matrix, for >>> example, of the coefficients of a linear equations system. >>> >>> AS >>> >> >> >> Well if you only need to solve a linear equation system have a look at solve. >> If you have a special system (banded,tridiagonal) then limSolve may help. >> If you need the LU decomposition itself use package Matrix and look at >> denseLU. >> >> Berend >> >> ______________________________________________ >> 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. > > > > -- > > Bert Gunter > Genentech Nonclinical Biostatistics > > Internal Contact Info: > Phone: 467-7374 > Website: > http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.