Re: [R] Sparse matrix multiplication

Thanks Martin. That is exactly what I want. Feng On Sat, Jan 29, 2011 at 11:59 PM, Martin Maechler < maech...@stat.math.ethz.ch> wrote: > > "FL" == Feng Li > > on Sat, 29 Jan 2011 19:46:48 +0100 writes: > >FL> I meant "sparse matrix", sorry for the typo. > aha.. :-) > > >FL>

Re: [R] Sparse matrix multiplication

> "FL" == Feng Li > on Sat, 29 Jan 2011 19:46:48 +0100 writes: FL> I meant "sparse matrix", sorry for the typo. aha.. :-) FL> On Sat, Jan 29, 2011 at 7:02 PM, Feng Li wrote: >> Dear R, >> >> I have a simple question concerning with a special case of >> spa