Language Reference
Linear Algebra Functions
- APPCORT call
computes a complete orthogonal decomposition
- COMPORT call
computes a complete orthogonal decomposition by Householder transformations
- CVEXHULL function
finds a convex hull of a set of planar points
- DET function
computes the determinant of a square matrix
- ECHELON function
reduces a matrix to row-echelon normal form
- EIGEN call
computes eigenvalues and eigenvectors
- EIGVAL function
computes eigenvalues
- EIGVEC function
computes eigenvectors
- GENEIG call
computes eigenvalues and eigenvectors of a generalized eigenvalue problem
- GINV function
computes a generalized inverse
- GSORTH call
computes the Gram-Schmidt orthonormalization
- HANKEL function
generates a Hankel matrix
- HDIR function
performs a horizontal direct product
- HERMITE function
reduces a matrix to Hermite normal form
- HOMOGEN function
solves homogeneous linear systems
- INV function
computes the inverse
- INVUPDT function
updates a matrix inverse
- ITSOLVER call
solves a sparse general linear system by iteration
- LUPDT call
provides updating and downdating for rank-deficient linear least squares solutions, complete orthogonal factorization, and Moore-Penrose inverses
- QR call
computes the QR decomposition of a matrix by Householder transformations
- RDODT call
downdates and updates QR and Cholesky decompositions
- ROOT function
performs the Cholesky decomposition of a matrix
- RUPDT call
updates QR and Cholesky decompositions
- RZLIND call
updates QR and Cholesky decompositions
- SOLVE function
solves a system of linear equations
- SOLVELIN call
solves a sparse symmetric system of linear equations by direct decomposition
- SVD call
computes the singular value decomposition
- TOEPLITZ function
generates a Toeplitz or block-Toeplitz matrix
- TRACE function
sums diagonal elements
- TRISOLV function
solves linear systems with triangular matrices
- XMULT function
performs extended-precision matrix multiplication