Matrix v1.2-10


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by Martin Maechler

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


Date 2017-04-19
Priority recommended
Contact Doug and Martin
Encoding UTF-8
LazyData no
LazyDataNote not possible, since we use data/*.R *and* our classes
BuildResaveData no
License GPL (>= 2) | file LICENCE
NeedsCompilation yes
Packaged 2017-04-19 08:48:55 UTC; maechler
Repository CRAN
Date/Publication 2017-04-28 22:35:41 UTC

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