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Matrix (version 1.0-4)
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
282,127
Version
1.0-4
License
GPL (>= 2)
Maintainer
Doug
Last Published
February 22nd, 2012
Functions in Matrix (1.0-4)
Search functions
Hilbert
Generate a Hilbert matrix
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
Schur
Schur Decomposition of a Matrix
chol2inv-methods
Inverse from Choleski or QR Decomposition -- Matrix Methods
Cholesky
Cholesky Decomposition of a Sparse Matrix
Matrix
Construct a Classed Matrix
band
Extract bands of a matrix
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
dtCMatrix-class
Triangular, (compressed) sparse column matrices
Diagonal
Create Diagonal Matrix Object
dsyMatrix-class
Symmetric Dense Numeric Matrices
formatSparseM
Formatting Sparse Numeric Matrices Utilities
norm
Matrix Norms
dtpMatrix-class
Packed triangular dense matrices
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
nsparseMatrix-classes
Sparse "pattern" Matrices
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
abIndex-class
Class "abIndex" of Abstract Index Vectors
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
Schur-class
Class "Schur" of Schur Matrix Factorizations
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
Matrix-class
Virtual Class "Matrix" Class of Matrices
bdiag
Construct a Block Diagonal Matrix
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
dtrMatrix-class
Triangular, dense, numeric matrices
USCounties
USCounties Contiguity Matrix
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
sparse.model.matrix
Construct Sparse Design / Model Matrices
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
condest
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
rep2abI
Replicate Vectors into 'abIndex' Result
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
diagU2N
Transform Triangular Matrices from Unit Triangular to General and back
abIseq
Sequence Generation of "abIndex", Abstract Index Vectors
generalMatrix-class
Class "generalMatrix" of General Matrices
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
ltrMatrix-class
Triangular Dense Logical Matrices
spMatrix
Sparse Matrix Constructor From Triplet
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
externalFormats
Read and write external matrix formats
facmul
Multiplication by Decomposition Factors
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
lu
(Generalized) Triangular Decomposition of a Matrix
dgTMatrix-class
Sparse matrices in triplet form
number-class
Class "number" of Possibly Complex Numbers
nearPD
Nearest Positive Definite Matrix
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
colSums
Form Row and Column Sums and Means
tcrossprod
Cross-product of transpose
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
expand
Expand a Decomposition into Factors
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
rleDiff-class
Class "rleDiff" of rle(diff(.)) Stored Vectors
sparseLU-class
Sparse LU decomposition of a square sparse matrix
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
sparseVector-class
Sparse Vector Classes
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
all-methods
"Matrix" Methods for Functions all() and any()
chol
Choleski Decomposition - 'Matrix' S4 Generic
nnzero
The Number of Non-Zero Values of a Matrix
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
qr-methods
QR Decomposition -- S4 Methods and Generic
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
printSpMatrix
Format and Print Sparse Matrices Flexibly
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
LU-class
LU (dense) Matrix Decompositions
lsparseMatrix-classes
Sparse logical matrices
image-methods
Methods for image() in Package 'Matrix'
all.equal-methods
Matrix Package Methods for Function all.equal()
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
is.na-methods
is.na() Methods for 'Matrix' Objects
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
pMatrix-class
Permutation matrices
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
ntrMatrix-class
Triangular Dense Logical Matrices
lsyMatrix-class
Symmetric Dense Logical Matrices
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
sparseQR-class
Sparse QR decomposition of a sparse matrix
rcond
Estimate the Reciprocal Condition Number
xtabs
Cross Tabulation, Optionally Sparse
unpack
Full Storage Representation of Packed Matrices
rankMatrix
Rank of a Matrix
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
expm
Matrix Exponential
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
index-class
Virtual Class "index" - Simple Class for Matrix Indices