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car::wcrossprod Weighted Matrix Crossproduct
slam::rowapply_simple_triplet_matrix Apply Functions Over Sparse Matrix Margins
slam::tcrossprod_simple_triplet_matrix Matrix Crossproduct
slam::rollup Rollup Sparse Arrays
slam::row_sums Form Row and Column Sums and Means
SparseM::image Image Plot for Sparse Matrices
SparseM::SparseM.ontology Sparse Matrix Class
SparseM::Ops.matrix.csr Basic Linear Algebra for Sparse Matrices
SparseM::SparseM.solve Linear Equation Solving for Sparse Matrices
survey::paley Paley-type Hadamard matrices
base::backsolve Solve an Upper or Lower Triangular System
base::chol The Cholesky Decomposition
base::chol2inv Inverse from Cholesky (or QR) Decomposition
base::colSums Form Row and Column Sums and Means
base::crossprod Matrix Crossproduct
base::eigen Spectral Decomposition of a Matrix
base::matrix Matrices
base::qr The QR Decomposition of a Matrix
base::qr.X Reconstruct the Q, R, or X Matrices from a QR Object
base::solve Solve a System of Equations
base::svd Singular Value Decomposition of a Matrix
MASS::Null Null Spaces of Matrices
MASS::ginv Generalized Inverse of a Matrix
Matrix::CHMfactor-class CHOLMOD-based Cholesky Factorizations
Matrix::Cholesky-class Cholesky and Bunch-Kaufman Decompositions
Matrix::Cholesky Cholesky Decomposition of a Sparse Matrix
Matrix::Diagonal Construct a Diagonal Matrix
Matrix::Hilbert Generate a Hilbert matrix
Matrix::LU-class LU (dense) Matrix Decompositions
Matrix::Matrix-class Virtual Class "Matrix" Class of Matrices
Matrix::Matrix Construct a Classed Matrix
Matrix::Schur Schur Decomposition of a Matrix
Matrix::band Extract bands of a matrix
Matrix::bandSparse Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
Matrix::chol The Cholesky Decomposition - 'Matrix' S4 Generic and Methods
Matrix::chol2inv-methods Inverse from Choleski or QR Decomposition - Matrix Methods
Matrix::colSums Form Row and Column Sums and Means
Matrix::dMatrix-class (Virtual) Class "dMatrix" of "double" Matrices
Matrix::dgCMatrix-class Compressed, sparse, column-oriented numeric matrices
Matrix::dgRMatrix-class Sparse Compressed, Row-oriented Numeric Matrices
Matrix::dgTMatrix-class Sparse matrices in triplet form
Matrix::dgeMatrix-class Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
Matrix::dmperm Dulmage-Mendelsohn Permutation / Decomposition
Matrix::dpoMatrix-class Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices
Matrix::dsCMatrix-class Numeric Symmetric Sparse (column compressed) Matrices
Matrix::dsRMatrix-class Symmetric Sparse Compressed Row Matrices
Matrix::dtCMatrix-class Triangular, (compressed) sparse column matrices
Matrix::dtRMatrix-class Triangular Sparse Compressed Row Matrices
Matrix::expand Expand a (Matrix) Decomposition into Factors
Matrix::expm Matrix Exponential
Matrix::readHB Read and write external matrix formats
Matrix::facmul Multiplication by Decomposition Factors
Matrix::lsparseMatrix-class Sparse logical matrices
Matrix::lu (Generalized) Triangular Decomposition of a Matrix
Matrix::%*%-methods Matrix (Cross) Products (of Transpose)
Matrix::nMatrix-class Class "nMatrix" of Non-zero Pattern Matrices
Matrix::nearPD Nearest Positive Definite Matrix
Matrix::norm Matrix Norms
Matrix::nsparseMatrix-class Sparse "pattern" Matrices
Matrix::qr QR Decomposition - S4 Methods and Generic
Matrix::rankMatrix Rank of a Matrix
Matrix::rcond Estimate the Reciprocal Condition Number
Matrix::sparseQR-class Sparse QR decomposition of a sparse matrix
Matrix::pack Representation of Packed and Unpacked Dense Matrices