Computes the solution to the system of linear equations with a real or complex symmetric matrix A stored in packed format, and multiple right-hand sides.
Multiplies a complex matrix by the unitary matrix Q of the QR factorization formed by ?geqrf.
Reduces the upper trapezoidal matrix A to upper triangular form.
Reduces a complex Hermitian band matrix to tridiagonal form.
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.
Simultaneously bidiagonalizes the blocks of a partitioned orthogonal/unitary matrix.
Computes selected eigenvalues and, optionally, eigenvectors of a Hermitian matrix using the Relatively Robust Representations.
Computes selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix using the Relatively Robust Representations.