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% File src/library/base/man/chol2inv.Rd
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% File src/library/base/man/chol2inv.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2020 R Core Team
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% Copyright 1995-2025 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{chol2inv}
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\name{chol2inv}
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\alias{chol2inv}
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\alias{chol2inv}
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\title{Inverse from Cholesky (or QR) Decomposition}
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\title{Inverse from Cholesky (or QR) Decomposition}
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  This is an interface to the LAPACK routine \code{DPOTRI}.
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  This is an interface to the LAPACK routine \code{DPOTRI}.
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  LAPACK is from \url{https://netlib.org/lapack/} and its guide is listed
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  LAPACK is from \url{https://netlib.org/lapack/} and its guide is listed
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  in the references.
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  in the references.
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}
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}
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\references{
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\references{
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  Anderson. E. and ten others (1999)
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  \bibshow{R:Anderson+Bai+Bischof:1999,
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  \emph{LAPACK Users' Guide}. Third Edition.
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  SIAM.
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  Available on-line at
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  \url{https://netlib.org/lapack/lug/lapack_lug.html}.
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  Dongarra, J. J., Bunch, J. R., Moler, C. B. and Stewart, G. W. (1978)
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  \emph{LINPACK Users Guide}.
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  Philadelphia: SIAM Publications.
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    R:Dongarra+Bunch+Moler:1979}
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}
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}
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\seealso{
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\seealso{
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  \code{\link{chol}}, \code{\link{solve}}.
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  \code{\link{chol}}, \code{\link{solve}}.
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}
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}
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\examples{
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\examples{