In PageRank I'm afraid I have no other option than eigenvector \lambda,
but not singular vector u & v:) The PageRank in Mahout was removed with
other graph-based algorithm.
On Tue 11 Feb 2014 06:34:17 PM EST, Ted Dunning wrote:
SSVD is very probably better than Lanczos for any large decomposition.
That said, it does SVD, not eigen decomposition which means that the
question of symmetrical matrices or positive definiteness doesn't much
matter.
Do you really need eigen-decomposition?
On Tue, Feb 11, 2014 at 2:55 PM, peng <[email protected]> wrote:
Just asking for possible replacement of our Lanczos-based PageRank
implementation. - Peng