Github user mbofb commented on the pull request:
https://github.com/apache/spark/pull/4675#issuecomment-74948488
description of RowMatrix.computeSVD and mllib-dimensionality-reduction.html:
"We assume n is smaller than m." Is this just a recommendation or a hard
requirement. This condition seems not to be checked and causing an
IllegalArgumentException â the processing finishes even though the vectors
have a higher dimension than the number of vectors.
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