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