Expands decompositions stored in compact form into factors.
a matrix decomposition.
further arguments passed to or from other methods.
This is a generic function with special methods for different types
of decompositions, see
showMethods(expand) to list them
The expanded decomposition, typically a list of matrix factors.
Factors for decompositions such as
qr can be
stored in a compact form.
expand allows all factors to be fully expanded.
lu, and the
decompositions which have
(x <- Matrix(round(rnorm(9),2), 3, 3)) (ex <- expand(lux <- lu(x)))
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