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Matrix (version 0.999375-33)
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
90,263
Version
0.999375-33
License
GPL (>= 2)
Maintainer
Doug
Last Published
December 11th, 2009
Functions in Matrix (0.999375-33)
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bdiag
Construct a Block Diagonal Matrix
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
all-methods
"Matrix" Methods for Functions all() and any()
Schur-class
Class "Schur" of Schur Matrix Factorizations
LU-class
LU (dense) Matrix Decompositions
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
colSums
Form Row and Column Sums and Means
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
Matrix
Construct a Classed Matrix
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
dgTMatrix-class
Sparse matrices in triplet form
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
norm
Matrix Norms
index-class
Virtual Class "index" - Simple Class for Matrix Indices
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
qr-methods
QR Decomposition -- S4 Methods and Generic
dtrMatrix-class
Triangular, dense, numeric matrices
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
pMatrix-class
Permutation matrices
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
sparseVector-class
Sparse Vector Classes
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
abIndex-class
Class "abIndex" of Abstract Index Vectors
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
all.equal-methods
Matrix Methods for Function all.equal()
Diagonal
Create Diagonal Matrix Object
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
rankMatrix
Rank of a Matrix
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
contrast
Contrast Matrices, Optionally Sparse
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
nearPD
Nearest Matrix to a Positive Definite Matrix
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
xtabs
Cross Tabulation, Optionally Sparse
sparse.model.matrix
Construct Sparse Design / Model Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
Matrix-class
Virtual Class "Matrix" Class of Matrices
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
Cholesky
Cholesky Decomposition of a Sparse Matrix
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
nnzero
The Number of Non-Zero Values of a Matrix
dsyMatrix-class
Symmetric Dense Numeric Matrices
dtpMatrix-class
Packed triangular dense matrices
image-methods
Methods for image() in Package 'Matrix'
dtCMatrix-class
Triangular, (compressed) sparse column matrices
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
nsparseMatrix-classes
Sparse "pattern" Matrices
facmul
Multiplication by Decomposition Factors
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
band
Extract bands of a matrix
USCounties
USCounties Contiguity Matrix
chol2inv-methods
Inverse from Choleski or QR Decomposition -- Matrix Methods
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
lsyMatrix-class
Symmetric Dense Logical Matrices
generalMatrix-class
Class "generalMatrix" of General Matrices
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
spMatrix
Sparse Matrix Constructor From Triplet
Schur
Schur Decomposition of a Matrix
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
is.na-methods
is.na() Methods for 'Matrix' Objects
expand
Expand a Decomposition into Factors
ltrMatrix-class
Triangular Dense Logical Matrices
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
sparseQR-class
Sparse QR decomposition of a sparse matrix
lu
Triangular Decomposition of a Square Matrix
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
chol
Choleski Decomposition - 'Matrix' S4 Generic
expm
Matrix Exponential
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
number-class
Class "number" of Possibly Complex Numbers
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
rcond
Estimate the Reciprocal Condition Number
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
printSpMatrix
Print Sparse Matrices Flexibly
unpack
Full Storage Representation of Packed Matrices
externalFormats
Read and write external matrix formats
tcrossprod
Cross-product of transpose
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
rleDiff-class
Class "rleDiff" of rle(diff(.)) Stored Vectors
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
lsparseMatrix-classes
Sparse logical matrices
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
ntrMatrix-class
Triangular Dense Logical Matrices
Hilbert
Generate a Hilbert matrix
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
sparseLU-class
Sparse LU decomposition of a square sparse matrix