Reduces a complex Hermitian positive-definite generalized eigenproblem for banded matrices to the standard form using the factorization performed by ?pbstf.
Solves Sylvester equation for real quasi-triangular or complex triangular matrices.
Computes the generalized SVD of two upper triangular or trapezoidal matrices.
Computes all eigenvalues and, optionally, all eigenvectors of a real symmetric matrix using divide and conquer algorithm.
Computes selected eigenvalues and, optionally, eigenvectors of a real symmetric band matrix.
Computes the generalized singular value decomposition of a pair of general rectangular matrices (deprecated).
Computes all eigenvalues and, optionally, eigenvectors of a complex generalized Hermitian positive-definite eigenproblem with matrices in packed storage using a divide and conquer method.
Returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex Hermitian matrix.
Generates a plane rotation.