Re: [R] fast matrix-vector multiplication

2009-12-14 Thread Martin Maechler
> "GC" == Gray Calhoun > on Mon, 14 Dec 2009 19:26:44 -0600 writes: GC> Check out crossprod and the Matrix package (capitalized); there's also GC> a discussion of their speed gains in the R newsletter that should turn GC> up with a search and in the vignette as well. Yes,

Re: [R] fast matrix-vector multiplication

2009-12-14 Thread Gray Calhoun
Check out crossprod and the Matrix package (capitalized); there's also a discussion of their speed gains in the R newsletter that should turn up with a search and in the vignette as well. -Gray On Monday, December 14, 2009, parkbomee wrote: > > > > > > > Hi all, > > Is there a way to do a matrix