Re: [R] Matrix reduction

2013-04-06 Thread Berend Hasselman
On 06-04-2013, at 22:01, Bert Gunter 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 wrote: >> >> On 06-04-2013, at 19:58, An

Re: [R] Matrix reduction

2013-04-06 Thread Bert Gunter
?chol ##also -- Bert On Sat, Apr 6, 2013 at 11:12 AM, Berend Hasselman wrote: > > On 06-04-2013, at 19:58, Angelo Scozzarella Tiscali > wrote: > >> Well, I mean to use the elimination method to transform the matrix, for >> example, of the coefficients of a linear equations system. >> >> AS

Re: [R] Matrix reduction

2013-04-06 Thread Berend Hasselman
On 06-04-2013, at 19:58, Angelo Scozzarella Tiscali 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 h

Re: [R] Matrix reduction

2013-04-06 Thread Angelo Scozzarella Tiscali
Well, I mean to use the elimination method to transform the matrix, for example, of the coefficients of a linear equations system. AS Il giorno 06/apr/2013, alle ore 19:43, Angelo Scozzarella Tiscali ha scritto: > Hi everyone, > > I asked myself if exists a way to get a rows (or columns) matr

Re: [R] Matrix reduction

2013-04-06 Thread Bert Gunter
Incomprehensible. Define:"matrix reduction" . Perhaps: ?qr ?svd ## and links therein. -- Bert On Sat, Apr 6, 2013 at 10:43 AM, Angelo Scozzarella Tiscali wrote: > Hi everyone, > > I asked myself if exists a way to get a rows (or columns) matrix reduction > with R. > My goal is for education