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\name{sparseMatrix-utils}
\alias{sparseMatrix-utils}
\alias{sparseMatrix_utils}
\alias{coerce,matrix,dgRMatrix-method}
\alias{coerce,matrix,lgCMatrix-method}
\alias{coerce,matrix,lgRMatrix-method}
\alias{coerce,matrix,ngCMatrix-method}
\alias{coerce,matrix,ngRMatrix-method}
\alias{coerce,dgCMatrix,ngCMatrix-method}
\alias{coerce,CsparseMatrix,ngCMatrix-method}
\alias{coerce,RsparseMatrix,ngRMatrix-method}
\alias{coerce,TsparseMatrix,ngTMatrix-method}
\alias{coerce,Array,dgCMatrix-method}
\alias{coerce,Array,dgRMatrix-method}
\alias{coerce,Array,lgCMatrix-method}
\alias{coerce,Array,lgRMatrix-method}
\alias{coerce,Array,ngCMatrix-method}
\alias{coerce,Array,ngRMatrix-method}
\alias{coerce,Array,CsparseMatrix-method}
\alias{coerce,Array,RsparseMatrix-method}
\alias{coerce,Array,TsparseMatrix-method}
\alias{coerce,Array,sparseMatrix-method}
\title{Internal utilities to handle sparseMatrix derivatives}
\description{
The \pkg{SparseArray} package defines some utilities to handle
sparseMatrix derivatives (e.g. dgCMatrix and lgCMatrix objects)
from the \pkg{Matrix} package. These are for internal use only.
}
\seealso{
\itemize{
\item \linkS4class{dgCMatrix} objects implemented in the \pkg{Matrix}
package.
}
}
\keyword{internal}
\keyword{array}
\keyword{methods}
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