Construct a Classed Matrix
Cholesky and Bunch-Kaufman Decompositions
Construct a Diagonal Matrix
The Matrix (Super-) Class of a Class
Cholesky Decomposition of a Sparse Matrix
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
Class "Schur" of Schur Matrix Factorizations
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
USCounties Contiguity Matrix
Extract bands of a matrix
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
Inverse from Choleski or QR Decomposition -- Matrix Methods
Bunch-Kaufman Decomposition Methods
Form Row and Column Sums and Means
Compressed, sparse, column-oriented numeric matrices
Generate a Hilbert matrix
Sparse Compressed, Row-oriented Numeric Matrices
Schur Decomposition of a Matrix
Koenker-Ng Example Sparse Model Matrix and Response Vector
Sparse Matrix Coercion from and to those from package SparseM
Sequence Generation of "abIndex", Abstract Index Vectors
Numeric Symmetric Sparse (column compressed) Matrices
Symmetric Sparse Compressed Row Matrices
Class "compMatrix" of Composite (Factorizable) Matrices
Class "generalMatrix" of General Matrices
Conversions "graph" <--> (sparse) Matrix
Virtual Class "index" - Simple Class for Matrix Indices
Albers' example Matrix with "Difficult" Eigen Factorization
Khatri-Rao Matrix Product
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
Methods for "[<-" - Assigning to Subsets for 'Matrix'
Inverse Permutation Vector
Matrix Package Methods for Function all.equal()
Nearest Positive Definite Matrix
Scale the Rows and Columns of a Matrix
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
Virtual Class "atomicVector" of Atomic Vectors
Class "RsparseMatrix" of Sparse Matrices in Row-compressed Form
Dulmage-Mendelsohn Permutation / Decomposition
Packed Triangular Dense Matrices - "dtpMatrix"
(Virtual) Class "dMatrix" of "double" Matrices
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
Triangular, dense, numeric matrices
Sparse matrices in triplet form
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
"Matrix" Methods for Functions all() and any()
Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices
Transform Triangular Matrices from Unit Triangular to General Triangular and Back
Drop "Explicit Zeroes" from a Sparse Matrix
Class "diagonalMatrix" of Diagonal Matrices
LU (dense) Matrix Decompositions
Read and write external matrix formats
Multiplication by Decomposition Factors
Triangular, (compressed) sparse column matrices
Formatting Sparse Numeric Matrices Utilities
Methods in Package Matrix for Function solve()
Class "ldiMatrix" of Diagonal Logical Matrices
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
Class "lgeMatrix" of General Dense Logical Matrices
Virtual Class "Matrix" Class of Matrices
Sparse Matrix Constructor From Triplet
'cbind()' and 'rbind()' recursively built on cbind2/rbind2
The Cholesky Decomposition - 'Matrix' S4 Generic and Methods
Sparse "pattern" Matrices
Methods for "[": Extraction or Subsetting in Package 'Matrix'
Symmetric Dense Nonzero-Pattern Matrices
Triangular Sparse Compressed Row Matrices
Methods for Function 'isSymmetric' in Package 'Matrix'
Methods for image() in Package 'Matrix'
Class "abIndex" of Abstract Index Vectors
Construct Sparse Design / Model Matrices
Index Matrices
Sparse LU decomposition of a square sparse matrix
Sparse QR decomposition of a sparse matrix
Sparse Vector Classes
is.na(), is.finite() Methods for 'Matrix' Objects
Construct a Block Diagonal Matrix
Are the Dimnames dn
NULL-like ?
Test whether a Matrix is Triangular or Diagonal
Sparse logical matrices
Class "nMatrix" of Non-zero Pattern Matrices
Triangular Dense Logical Matrices
(Generalized) Triangular Decomposition of a Matrix
Virtual Class "ndenseMatrix" of Dense Logical Matrices
Symmetric Dense Logical Matrices
Format and Print Sparse Matrices Flexibly
The Number of Non-Zero Values of a Matrix
QR Decomposition -- S4 Methods and Generic
Boolean Arithmetic Matrix Products: %&%
and Methods
Matrix Norms
Up- and Down-Dating a Cholesky Decomposition
Triangular Dense Logical Matrices
Class "ddiMatrix" of Diagonal Numeric Matrices
World 1-degree grid contiguity matrix
Virtual Class "denseMatrix" of All Dense Matrices
Sparse Vector Construction from Nonzero Entries
Class "rleDiff" of rle(diff(.)) Stored Vectors
Random Sparse Matrix
Virtual Class of Symmetric Matrices in Package Matrix
Unique (Sorted) TsparseMatrix Representations
Class "number" of Possibly Complex Numbers
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
Virtual Class "unpackedMatrix"
of Unpacked Dense Matrices
Representation of Packed and Unpacked Dense Matrices
Virtual Classes Not Yet Really Implemented and Used
Symmetric Dense (Packed or Unpacked) Numeric Matrices
Expand a (Matrix) Decomposition into Factors
Replicate Vectors into 'abIndex' Result
Matrix Exponential
Methods for Function 'kronecker()' in Package 'Matrix'
Virtual Class "ldenseMatrix" of Dense Logical Matrices
Virtual Class "replValue" - Simple Class for Subassignment Values
Map Matrix to its Triplet Representation
Symmetric Part and Skew(symmetric) Part of a Matrix
Virtual Class of Triangular Matrices in Package Matrix
Matrix (Cross) Products (of Transpose)
Permutation matrices
Virtual Class "packedMatrix"
of Packed Dense Matrices
Rank of a Matrix
Estimate the Reciprocal Condition Number
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
General Sparse Matrix Construction from Nonzero Entries
CHOLMOD-based Cholesky Factorizations