#### The "mother" of all Matrix factorizations
## use a "fits all" bail-out method -- eventually this should not happen anymore
setMethod("expand", "MatrixFactorization",
function(x, ...) .bail.out.1(.Generic, class(x)))
setMethod("show", "MatrixFactorization",
function(object) { ## cheap one -- can have better for sub-classes
## cl <- class(object)
## cat(sprintf("'MatrixFactorization' of class \"%s\"\n", cl))
cat("'MatrixFactorization' of ")
str(object)
})
setMethod("show", "BunchKaufman",
function(object) {
cat("'Bunch-Kaufman' factorization of ")
str(object)
})
setMethod("show", "pBunchKaufman",
function(object) {
cat("packed 'Bunch-Kaufman' factorization of ")
str(object)
})
setMethod("dim", "MatrixFactorization", function(x) x@Dim)
## e.g., for (CHMfactor, <num>):
setMethod("solve", signature(a = "MatrixFactorization", b = "numeric"),
function(a, b, ...) callGeneric(a, Matrix(b)))
## catch others, otherwise base::solve is.
setMethod("solve", signature(a = "MatrixFactorization", b = "ANY"),
function(a, b, ...) .bail.out.2("solve", class(a), class(b)))
setMethod("solve", signature(a = "MatrixFactorization", b = "missing"),
function(a, b, ...) .bail.out.1("solve", class(a)))
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