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\name{MatrixFactorization-class}
\alias{MatrixFactorization-class}
\docType{class}
\title{Class "MatrixFactorization" of Matrix Factorizations}
%
\alias{expand,MatrixFactorization-method}
\alias{show,MatrixFactorization-method}
\description{
The class \code{"MatrixFactorization"} is the virtual (super) class of
(potentially) all matrix factorizations of matrices from package
\pkg{Matrix}.
}
\section{Objects from the Class}{A virtual Class: No objects may be
created from it.}
\section{Slots}{
\describe{
\item{\code{Dim}:}{Object of class \code{"integer"} - the dimensions
of the original matrix - must be an integer vector with exactly two
non-negative values.}
}
}
\section{Methods}{
\describe{
\item{expand}{\code{signature(x = "MatrixFactorization")}: this has
not been implemented yet for all matrix factorizations. It should
return a list whose components are matrices which when multiplied
return the original \code{\linkS4class{Matrix}} object.}
\item{show}{\code{signature(object = "MatrixFactorization")}: ... }
}
}
\seealso{
classes inheriting from \code{"MatrixFactorization"}, such as
\code{\linkS4class{CHMfactor}},
\code{\linkS4class{LU}}, and
\code{\linkS4class{sparseQR}}.
}
\examples{
showClass("MatrixFactorization")
}
\keyword{classes}
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