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Install
install.packages('Matrix')
Monthly Downloads
183,739
Version
1.4-0
License
GPL (>= 2) | file LICENCE
Homepage
https://Matrix.R-forge.R-project.org/
Maintainer
Martin Maechler
Last Published
December 8th, 2021
Functions in Matrix (1.4-0)
Search functions
Hilbert
Generate a Hilbert matrix
KhatriRao
Khatri-Rao Matrix Product
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
Cholesky
Cholesky Decomposition of a Sparse Matrix
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
Diagonal
Create Diagonal Matrix Object
SparseM-conversions
Sparse Matrix Coercion from and to those from package
SparseM
LU-class
LU (dense) Matrix Decompositions
Matrix-class
Virtual Class "Matrix" Class of Matrices
Schur-class
Class "Schur" of Schur Matrix Factorizations
Schur
Schur Decomposition of a Matrix
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Row-compressed Form
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
Matrix
Construct a Classed Matrix
all-methods
"Matrix" Methods for Functions all() and any()
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
MatrixClass
The Matrix (Super-) Class of a Class
abIseq
Sequence Generation of "abIndex", Abstract Index Vectors
all.equal-methods
Matrix Package Methods for Function all.equal()
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
abIndex-class
Class "abIndex" of Abstract Index Vectors
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
band
Extract bands of a matrix
USCounties
USCounties Contiguity Matrix
colSums
Form Row and Column Sums and Means
chol2inv-methods
Inverse from Choleski or QR Decomposition -- Matrix Methods
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
condest
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
chol
Choleski Decomposition - 'Matrix' S4 Generic and Methods
cBind
'cbind()' and 'rbind()' recursively built on cbind2/rbind2
bdiag
Construct a Block Diagonal Matrix
%&%-methods
Boolean Arithmetic Matrix Products:
%&%
and Methods
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
diagU2N
Transform Triangular Matrices from Unit Triangular to General Triangular and Back
dgTMatrix-class
Sparse matrices in triplet form
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
dpoMatrix-class
Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
dtpMatrix-class
Packed Triangular Dense Matrices - "dtpMatrix"
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
dsyMatrix-class
Symmetric Dense (Packed | Non-packed) Numeric Matrices
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
dtrMatrix-class
Triangular, dense, numeric matrices
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
expm
Matrix Exponential
expand
Expand a (Matrix) Decomposition into Factors
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
formatSparseM
Formatting Sparse Numeric Matrices Utilities
graph-sparseMatrix
Conversions "graph" <--> (sparse) Matrix
generalMatrix-class
Class "generalMatrix" of General Matrices
index-class
Virtual Class "index" - Simple Class for Matrix Indices
invPerm
Inverse Permutation Vector
indMatrix-class
Index Matrices
image-methods
Methods for image() in Package 'Matrix'
dtCMatrix-class
Triangular, (compressed) sparse column matrices
dtRMatrix-class
Triangular Sparse Compressed Row Matrices
facmul
Multiplication by Decomposition Factors
externalFormats
Read and write external matrix formats
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
lsyMatrix-class
Symmetric Dense Logical Matrices
lsparseMatrix-classes
Sparse logical matrices
isTriangular
isTriangular() and isDiagonal() Checking if Matrix is Triangular or Diagonal
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
is.null.DN
Are the Dimnames
dn
NULL-like ?
norm
Matrix Norms
nnzero
The Number of Non-Zero Values of a Matrix
is.na-methods
is.na(), is.infinite() Methods for 'Matrix' Objects
ltrMatrix-class
Triangular Dense Logical Matrices
nearPD
Nearest Positive Definite Matrix
lu
(Generalized) Triangular Decomposition of a Matrix
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
mat2triplet
Map Matrix to its Triplet Representation
matrix-products
Matrix (Cross) Products (of Transpose)
qr-methods
QR Decomposition -- S4 Methods and Generic
pMatrix-class
Permutation matrices
ntrMatrix-class
Triangular Dense Logical Matrices
nsparseMatrix-classes
Sparse "pattern" Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
number-class
Class "number" of Possibly Complex Numbers
rep2abI
Replicate Vectors into 'abIndex' Result
rcond
Estimate the Reciprocal Condition Number
printSpMatrix
Format and Print Sparse Matrices Flexibly
rankMatrix
Rank of a Matrix
sparseQR-class
Sparse QR decomposition of a sparse matrix
spMatrix
Sparse Matrix Constructor From Triplet
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
sparseLU-class
Sparse LU decomposition of a square sparse matrix
sparse.model.matrix
Construct Sparse Design / Model Matrices
rsparsematrix
Random Sparse Matrix
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
solve-methods
Methods in Package Matrix for Function
solve()
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
rleDiff-class
Class "rleDiff" of rle(diff(.)) Stored Vectors
sparseVector-class
Sparse Vector Classes
sparseVector
Sparse Vector Construction from Nonzero Entries
wrld_1deg
World 1-degree grid contiguity matrix
updown
Up- and Down-Dating a Cholesky Decomposition
unpack
Representation of Packed and Unpacked (Dense) Matrices
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
symmetricMatrix-class
Virtual Class of Symmetric Matrices in Package Matrix
triangularMatrix-class
Virtual Class of Triangular Matrices in Package Matrix
uniqTsparse
Unique (Sorted) TsparseMatrix Representations