Matrix

v. 
by Martin Maechler
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Date 2016-08-29
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Contact Doug and Martin
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LazyData no
LazyDataNote not possible, since we use data/*.R *and* our classes
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License GPL (>= 2) | file LICENCE
URL http://Matrix.R-forge.R-project.org/
NeedsCompilation yes
Packaged 2016-08-30 11:21:22 UTC; maechler
Repository CRAN
Date/Publication 2016-09-01 12:23:14

Sparse and Dense Matrix Classes and Methods

Classes and methods for dense and sparse matrices and operations on them using 'LAPACK' and 'SuiteSparse'.

Functions in Matrix

Name Description
all.equal-methods Matrix Package Methods for Function all.equal()
all-methods "Matrix" Methods for Functions all() and any()
BunchKaufman-methods Bunch-Kaufman Decomposition Methods
atomicVector-class Virtual Class "atomicVector" of Atomic Vectors
%&%-methods Boolean Arithmetic Matrix Products: %&% and Methods
band Extract bands of a matrix
abIseq Sequence Generation of "abIndex", Abstract Index Vectors
bdiag Construct a Block Diagonal Matrix
bandSparse Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
abIndex-class Class "abIndex" of Abstract Index Vectors
cBind Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
CAex Albers' example Matrix with "Difficult" Eigen Factorization
Cholesky Cholesky Decomposition of a Sparse Matrix
colSums Form Row and Column Sums and Means
condest Compute Approximate CONDition number and 1-Norm of (Large) Matrices
CHMfactor-class CHOLMOD-based Cholesky Factorizations
compMatrix-class Class "compMatrix" of Composite (Factorizable) Matrices
chol Choleski Decomposition - 'Matrix' S4 Generic and Methods
Cholesky-class Cholesky and Bunch-Kaufman Decompositions
chol2inv-methods Inverse from Choleski or QR Decomposition -- Matrix Methods
dgRMatrix-class Sparse Compressed, Row-oriented Numeric Matrices
Diagonal Create Diagonal Matrix Object
dgTMatrix-class Sparse matrices in triplet form
dgCMatrix-class Compressed, sparse, column-oriented numeric matrices
diagonalMatrix-class Class "diagonalMatrix" of Diagonal Matrices
ddiMatrix-class Class "ddiMatrix" of Diagonal Numeric Matrices
dgeMatrix-class Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
CsparseMatrix-class Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
denseMatrix-class Virtual Class "denseMatrix" of All Dense Matrices
ddenseMatrix-class Virtual Class "ddenseMatrix" of Numeric Dense Matrices
dsCMatrix-class Numeric Symmetric Sparse (column compressed) Matrices
dsparseMatrix-class Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
drop0 Drop "Explicit Zeroes" from a Sparse Matrix
dpoMatrix-class Positive Semi-definite Dense Numeric Matrices
diagU2N Transform Triangular Matrices from Unit Triangular to General Triangular and Back
dtpMatrix-class Packed Triangular Dense Matrices - "dtpMatrix"
dtCMatrix-class Triangular, (compressed) sparse column matrices
dMatrix-class (Virtual) Class "dMatrix" of "double" Matrices
dsyMatrix-class Symmetric Dense Numeric Matrices
dsRMatrix-class Symmetric Sparse Compressed Row Matrices
formatSparseM Formatting Sparse Numeric Matrices Utilities
generalMatrix-class Class "generalMatrix" of General Matrices
dtrMatrix-class Triangular, dense, numeric matrices
expand Expand a Decomposition into Factors
externalFormats Read and write external matrix formats
graph-sparseMatrix Conversions "graph" (sparse) Matrix
facmul Multiplication by Decomposition Factors
Hilbert Generate a Hilbert matrix
forceSymmetric Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
isSymmetric-methods Methods for Function isSymmetric in Package 'Matrix'
image-methods Methods for image() in Package 'Matrix'
index-class Virtual Class "index" - Simple Class for Matrix Indices
KhatriRao Khatri-Rao Matrix Product
indMatrix-class Index Matrices
KNex Koenker-Ng Example Sparse Model Matrix and Response Vector
is.na-methods is.na(), is.infinite() Methods for 'Matrix' Objects
invPerm Inverse Permutation Vector
is.null.DN Are the Dimnames dn NULL-like ?
kronecker-methods Methods for Function 'kronecker()' in Package 'Matrix'
isTriangular isTriangular() and isDiagonal() Methods
ldenseMatrix-class Virtual Class "ldenseMatrix" of Dense Logical Matrices
ndenseMatrix-class Virtual Class "ndenseMatrix" of Dense Logical Matrices
MatrixFactorization-class Class "MatrixFactorization" of Matrix Factorizations
rankMatrix Rank of a Matrix
rcond Estimate the Reciprocal Condition Number
sparse.model.matrix Construct Sparse Design / Model Matrices
Schur Schur Decomposition of a Matrix
lsyMatrix-class Symmetric Dense Logical Matrices
lsparseMatrix-classes Sparse logical matrices
nMatrix-class Class "nMatrix" of Non-zero Pattern Matrices
nnzero The Number of Non-Zero Values of a Matrix
sparseVector-class Sparse Vector Classes
sparseQR-class Sparse QR decomposition of a sparse matrix
TsparseMatrix-class Class "TsparseMatrix" of Sparse Matrices in Triplet Form
uniqTsparse Unique TsparseMatrix Representations
MatrixClass The Matrix (Super-) Class of a Class
Matrix Construct a Classed Matrix
lgeMatrix-class Class "lgeMatrix" of General Dense Logical Matrices
ldiMatrix-class Class "ldiMatrix" of Diagonal Logical Matrices
nsyMatrix-class Symmetric Dense Nonzero-Pattern Matrices
ntrMatrix-class Triangular Dense Logical Matrices
[<--methods Methods for "[
symmetricMatrix-class Virtual Class of Symmetric Matrices in Package Matrix
Matrix-class Virtual Class "Matrix" Class of Matrices
number-class Class "number" of Possibly Complex Numbers
matrix-products Matrix (Cross) Products (of Transpose)
RsparseMatrix-class Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
rleDiff-class Class "rleDiff" of rle(diff(.)) Stored Vectors
pMatrix-class Permutation matrices
Unused-classes Virtual Classes Not Yet Really Implemented and Used
unpack Representation of Packed and Unpacked (Dense) Matrices
updown Up- and Down-Dating a Cholesky Decomposition
[-methods Methods for "[": Extraction or Subsetting in Package 'Matrix'
triangularMatrix-class Virtual Class of Triangular Matrices in Package Matrix
symmpart Symmetric Part and Skew(symmetric) Part of a Matrix
ltrMatrix-class Triangular Dense Logical Matrices
LU-class LU (dense) Matrix Decompositions
ngeMatrix-class Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
nearPD Nearest Positive Definite Matrix
printSpMatrix Format and Print Sparse Matrices Flexibly
qr-methods QR Decomposition -- S4 Methods and Generic
rsparsematrix Random Sparse Matrix
Schur-class Class "Schur" of Schur Matrix Factorizations
USCounties USCounties Contiguity Matrix
nsparseMatrix-classes Sparse "pattern" Matrices
norm Matrix Norms
sparseMatrix-class Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
replValue-class Virtual Class "replValue" - Simple Class for subassignment Values
rep2abI Replicate Vectors into 'abIndex' Result
sparseMatrix General Sparse Matrix Construction from Nonzero Entries
sparseVector Sparse Vector Construction from Nonzero Entries
spMatrix Sparse Matrix Constructor From Triplet
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