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Matrix (version 0.999375-20)
Sparse and Dense Matrix Classes and Methods
Description
Classes and methods for dense and sparse matrices and operations on them using Lapack and SuiteSparse.
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Install
install.packages('Matrix')
Monthly Downloads
155,110
Version
0.999375-20
License
GPL (>= 2)
Maintainer
Doug
Last Published
March 11th, 2025
Functions in Matrix (0.999375-20)
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ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
colSums
Form Row and Column Sums and Means
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
dtpMatrix-class
Packed triangular dense matrices
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
dtrMatrix-class
Triangular, dense, numeric matrices
expand
Expand a Decomposition into Factors
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
Schur-class
Class "Schur" of Schur Matrix Factorizations
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
printSpMatrix
Print Sparse Matrices Flexibly
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
qr-methods
QR Decomposition -- S4 Methods and Generic
dgTMatrix-class
Sparse matrices in triplet form
index-class
Virtual Class "index" - Simple Class for Matrix Indices
bdiag
Construct a Block Diagonal Matrix
Matrix
Construct a Classed Matrix
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
Diagonal
Create Diagonal Matrix Object
image-methods
Methods for image() in Package 'Matrix'
expm
Matrix Exponential
ltrMatrix-class
Triangular Dense Logical Matrices
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
facmul
Multiplication by Decomposition Factors
nsparseMatrix-classes
Sparse "pattern" Matrices
is.na-methods
is.na() Methods for 'Matrix' Objects
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
spMatrix
Sparse Matrix Constructor From Triplet
norm
Matrix Norms
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
sparseVector-class
Sparse Vector Classes
sparseQR-class
Sparse QR decomposition of a sparse matrix
tcrossprod
Cross-product of transpose
generalMatrix-class
Class "generalMatrix" of General Matrices
nearPD
Nearest Matrix to a Positive Definite Matrix
all.equal-methods
Matrix Methods for Function all.equal()
Schur
Schur Decomposition of a Matrix
USCounties
USCounties Contiguity Matrix
ntrMatrix-class
Triangular Dense Logical Matrices
dsyMatrix-class
Symmetric Dense Numeric Matrices
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
all-methods
"Matrix" Methods for Functions all() and any()
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
lsparseMatrix-classes
Sparse logical matrices
unpack
Full Storage Representation of Packed Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
LU-class
LU (dense) Matrix Decompositions
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
rcond
Estimate the Reciprocal Condition Number
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
lu
Triangular Decomposition of a Square Matrix
lsyMatrix-class
Symmetric Dense Logical Matrices
number-class
Class "number" of Possibly Complex Numbers
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
pMatrix-class
Permutation matrices
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
sparseLU-class
Sparse LU decomposition of a square sparse matrix
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
band
Extract bands of a matrix
SPQR-class
Class "SPQR" of SuiteSparse QR multifrontal sparse QR Decompositions
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
externalFormats
Read and write external matrix formats
Cholesky
Cholesky Decomposition of a Sparse Matrix
chol
Choleski Decomposition - 'Matrix' S4 Generic
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
dtCMatrix-class
Triangular, (compressed) sparse column matrices
xtabs
Cross Tabulation, Optionally Sparse
Matrix-class
Virtual Class "Matrix" Class of Matrices
Hilbert
Generate a Hilbert matrix
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
spqr
SuiteSparse QR factorization of Sparse Matrix
nnzero
The Number of Non-Zero Values of a Matrix