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\name{PosDefSymmMatrix-class}
\docType{class}
\alias{PosDefSymmMatrix-class}
\alias{PosSemDefSymmMatrix-class}
\title{Positive-[Semi-]definite, symmetric matrices}
\description{The class of positive-[semi-]definite, symmetric matrices.}
\section{Objects from the Class}{
Objects can be created by calls of the form \code{new("PosSemDefSymmMatrix", ...)}
resp. \code{new("PosDefSymmMatrix", ...)}.
More frequently they are created via the generating functions
\code{PosSemDefSymmMatrix} resp. \code{PosDefSymmMatrix}.
}
\section{Slots}{
\describe{
\item{\code{.Data}}{Object of class \code{"matrix"}.
A numeric matrix with finite entries.}
}
}
\section{Extends}{
[Class \code{"PosSemDefSymmMatrix"}, directly]
Class \code{"matrix"}, from data part.\cr
Class \code{"structure"}, by class \code{"matrix"}.\cr
Class \code{"array"}, by class \code{"matrix"}.\cr
Class \code{"vector"}, by class "matrix", with explicit coerce.\cr
Class \code{"vector"}, by class "matrix", with explicit coerce.
}
%\section{Methods}{}
%\references{}
\author{Matthias Kohl \email{Matthias.Kohl@stamats.de},
Peter Ruckdeschel \email{peter.ruckdeschel@uni-oldenburg.de}}
%\note{}
\seealso{\code{\link{PosDefSymmMatrix}}, \code{\link[methods:StructureClasses]{matrix-class}}}
\examples{
new("PosDefSymmMatrix", diag(2))
}
\concept{positive-definite matrix}
\concept{positive-semi-definite matrix}
\concept{symmetric matrix}
\keyword{classes}
\keyword{array}
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