View source: R/MatrixLazyEval_convenience.R
RankOneUpdateLazily | R Documentation |
Do a low-rank update to a matrix.
RankOneUpdateLazily(M, L, R)
M |
Any matrix with a multiplication operator defined. Usually from the Matrix package. |
L, R |
Matrices with dimensions such that $$M - LR$$ works. This method is LAZY – calculations are put off until later, not triggered by calling this function. The update doesn't actually have to be low-rank, but if L and R are too big you may not gain any efficiency. |
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