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Matrix (version 0.999375-5)
A Matrix package for R
Description
Classes and methods for dense and sparse matrices and operations on them using Lapack, CSparse and CHOLMOD
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Install
install.packages('Matrix')
Monthly Downloads
74,588
Version
0.999375-5
License
GPL (>= 2)
Maintainer
Doug
Last Published
March 11th, 2025
Functions in Matrix (0.999375-5)
Search all functions
Diagonal
Create Diagonal Matrix Object
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
unpack
Full Storage Representation of Packed Matrices
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
all-methods
"Matrix" Methods for Functions all() and any()
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
nearPD
Nearest Matrix to a Positive Definite Matrix
Matrix
Construct a Classed Matrix
band
Extract bands of a matrix
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
Schur
Schur Decomposition of a Matrix
chol
Choleski Decomposition - 'Matrix' S4 Generic
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
chol2inv-methods
Inverse from Choleski or QR Decomposition -- Matrix Methods
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
Cholesky
Cholesky Decomposition of a Sparse Matrix
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
spMatrix
Sparse Matrix Constructor From Triplet
dtpMatrix-class
Packed triangular dense matrices
lsyMatrix-class
Symmetric Dense Logical Matrices
dtCMatrix-class
Triangular, (compressed) sparse column matrices
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
norm
Matrix Norms
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
Matrix-class
Virtual Class "Matrix" Class of Matrices
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
dtRMatrix-class
Triangular Sparse Compressed Row Matrices
xtabs
Cross Tabulation, Optionally Sparse
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
abIseq
Sequence Generation of "abIndex", Abstract Index Vectors
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
condest
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
facmul
Multiplication by Decomposition Factors
image-methods
Methods for image() in Package 'Matrix'
sparseQR-class
Sparse QR decomposition of a sparse matrix
nsparseMatrix-classes
Sparse logical matrices
lsparseMatrix-classes
Sparse logical matrices
expm
Matrix Exponential
pMatrix-class
Permutation matrices
Unused-classes
Virtual Classes Not Yet Used
nnzero
The Number of Non-Zero Values of a Matrix
abIndex-class
Class "abIndex" of Abstract Index Vectors
ltrMatrix-class
Triangular Dense Logical Matrices
dCholCMatrix-class
Cholesky Decompositions of dsCMatrix Objects
expand
Expand a Decomposition into Factors
rcond
Estimate the Reciprocal Condition Number
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
generalMatrix-class
Class "generalMatrix" of General Matrices
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
ntrMatrix-class
Triangular Dense Logical Matrices
sparseLU-class
Sparse LU decomposition of a square sparse matrix
qr-methods
QR Decomposition -- S4 Methods and Generic
dsyMatrix-class
Symmetric Dense Numeric Matrices
printSpMatrix
Print Sparse Matrices Flexibly
number-class
Class "number" of Possibly Complex Numbers
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
LU-class
LU (dense) Matrix Decompositions
lu
(Generalized) Triangular Decomposition of a Matrix
tcrossprod
Cross-product of transpose
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
index-class
Virtual Class "index" - Simple Class for Matrix Indices
all.equal-methods
Matrix Package Methods for Function all.equal()
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
USCounties
USCounties Contiguity Matrix
rleDiff-class
Class "rleDiff" of rle(diff(.)) Stored Vectors
rep2abI
Replicate Vectors into 'abIndex' Result
bdiag
Construct a Block Diagonal Matrix
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
externalFormats
Read and write external matrix formats
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
colSums
Form Row and Column Sums and Means
rankMatrix
Rank of a Matrix
sparseVector-class
Sparse Vector Classes
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
dgTMatrix-class
Sparse matrices in triplet form
is.na-methods
is.na() Methods for 'Matrix' Objects
sparse.model.matrix
Construct Sparse Design / Model Matrices
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
formatSparseM
Formatting Sparse Numeric Matrices Utilities
Schur-class
Class "Schur" of Schur Matrix Factorizations
Hilbert
Generate a Hilbert matrix
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
