[R] matrix.csr %*% matrix --> matrix

[Sam Steingold]

When a sparse matrix is multiplied by a regular one, the result is
usually not sparse. However, when matrix.csr is multiplied by a regular
matrix in R, a matrix.csr is produced.
Is there a way to avoid this?
Thanks!
-- 
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precise) X 11.0.11103000
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