# Matrix v0.99-3

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## A Matrix package for R

Classes and methods for numerical linear algebra
using Lapack, LDL, and Metis.

## Functions in Matrix

Name | Description | |

LU-class | LU Matrix Decompositions | |

dgCMatrix-class | Compressed, sparse, column-oriented numeric matrices | |

dtrMatrix-class | Triangular, dense, numeric matrices | |

VarCorr | Extract variance and correlation components | |

triangularMatrix-class | Virtual Class of Triangular Matrices in package:Matrix | |

norm | Norm of a Matrix | |

Cholesky-class | Cholesky and Bunch-Kaufman Decompositions | |

expand | Expand a Decomposition into Factors | |

[<--methods | Methods for "[ | |

CsparseMatrix-class | Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form | |

[-methods | Methods for "[": Extraction or Subsetting in Package 'Matrix' | |

Matrix | Construct a Classed Matrix | |

externalFormats | Read and write external matrix formats | |

lu | Triangular Decomposition of a Square Matrix | |

Schur | Schur Decomposition of a Matrix | |

dsRMatrix-class | Symmetric Sparse Compressed Row Matrices | |

BIC | Bayesian Information Criterion | |

TsparseMatrix-class | Class "TsparseMatrix" of Sparse Matrices in Triplet Form | |

dpoMatrix-class | Positive Semi-definite Dense Numeric Matrices | |

fixef | Extract Fixed Effects | |

ddenseMatrix-class | Virtual Class "ddenseMatrix" of Numeric Dense Matrices | |

dtpMatrix-class | Packed triangular dense matrices | |

bCrosstab | Create pairwise crosstabulation | |

sparseMatrix-class | Virtual Class "sparseMatrix" --- Mother of Sparse Matrices | |

dgRMatrix-class | Compressed, sparse, row-oriented numeric matrices | |

VarCorr-class | Class "VarCorr" | |

Unused-classes | Virtual Classes Not Yet Used | |

dCholCMatrix-class | Cholesky Decompositions of dsCMatrix Objects | |

pMatrix-class | Permutation matrices | |

dgeMatrix-class | Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices | |

ltrMatrix-class | Triangular Dense Logical Matrices | |

dgTMatrix-class | Sparse matrices in triplet form | |

lmer | Fit (Generalized) Linear Mixed-Effects Models | |

sleepstudy | Reaction times in a sleep deprivation study | |

lgeMatrix-class | Class "lgeMatrix" of General Dense Logical Matrices | |

y | A sample response vector | |

dsparseMatrix-class | Virtual Class "dsparseMatrix" of Numeric Sparse Matrices | |

expm | Matrix exponential | |

Hilbert | Generate a Hilbert matrix | |

dMatrix-class | (Virtual) Class "dMatrix" of "double" Matrices | |

mm | A sample sparse model matrix | |

lsparseMatrix-classes | Sparse logical matrices | |

dsyMatrix-class | Symmetric Dense Numeric Matrices | |

pdmatrix-class | Positive-definite matrices | |

lsyMatrix-class | Symmetric Dense Logical Matrices | |

ldenseMatrix-class | Virtual Class "ldenseMatrix" of Dense Logical Matrices | |

rcond | Estimate the Reciprocal Condition Number | |

ranef | Extract Random Effects | |

mcmcsamp | Generate an MCMC sample | |

facmul | Multiplication by Decomposition Factors | |

denseMatrix-class | Virtual Class "denseMatrix" of All Dense Matrices | |

dsCMatrix-class | Numeric Symmetric Sparse (column compressed) Matrices | |

dgBCMatrix-class | Class "dgBCMatrix" Real Sparse Blocked Column Compressed Matrix | |

tcrossprod | Cross-product of transpose | |

corrmatrix-class | Class "corrmatrix" | |

symmetricMatrix-class | Virtual Class of Symmetric Matrices in package:Matrix | |

Matrix-class | Virtual Class "Matrix" Class of Matrices | |

dtCMatrix-class | Triangular, (compressed) sparse column matrices | |

lmer-class | Mixed model representations | |

index-class | Virtual Class "index" - Simple Class for Matrix Indices | |

unpack | Full Storage Representation of Packed Matrices | |

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## Details

Date | 2005-12-12 |

SystemRequirements | GNU make |

LazyLoad | yes |

LazyData | yes |

License | GPL version 2 or later. This R package includes code from the Metis package and from NIST. This code is covered by separate copyrights; see the file Copyrights for details. This R package includes code from the University of Florida sparse matrix library maintained by Tim Davis. All sections of that code are covered by the GPL or LGPL licenses. See the directory UFsparse for details. |

Packaged | Mon Dec 12 15:05:15 2005; maechler |

depends | base (>= 2.2.0) , methods , R (>= 2.2.0) |

suggests | coda , MASS , mlmRev |

imports | graphics , grid , lattice , stats |

Contributors | Martin Maechler, Douglas Bates |

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