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% $Id: solve.reStruct.Rd,v 1.7 2002/03/05 14:59:39 bates Exp $
\name{solve.reStruct}
\title{Apply Solve to an reStruct Object}
\usage{
\method{solve}{reStruct}(a, b, \dots)
}
\alias{solve.reStruct}
\arguments{
\item{a}{an object inheriting from class \code{reStruct},
representing a random effects structure and consisting of a list of
\code{pdMat} objects.}
\item{b}{this argument is only included for consistency with the
generic function and is not used in this method function.}
\item{\dots}{some methods for this generic require additional
arguments. None are used in this method.}
}
\description{
\code{Solve} is applied to each \code{pdMat} component of \code{a},
which results in inverting the positive-definite matrices they
represent.
}
\value{
an \code{reStruct} object similar to \code{a}, but with the
\code{pdMat} components representing the inverses of the
matrices represented by the components of \code{a}.
}
\author{Jose Pinheiro \email{Jose.Pinheiro@pharma.novartis.com} and Douglas Bates \email{bates@stat.wisc.edu}}
\seealso{\code{\link{solve.pdMat}}, \code{\link{reStruct}}}
\examples{
rs1 <- reStruct(list(A = pdSymm(diag(1:3), form = ~Score),
B = pdDiag(2 * diag(4), form = ~Educ)))
solve(rs1)
}
\keyword{models}
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