Computes all eigenvalues and, optionally, eigenvectors of a complex generalized Hermitian positive-definite eigenproblem with banded matrices.
Computes the LQ factorization of a general rectangular matrix using an unblocked algorithm.
Applies a block reflector or its transpose/conjugate-transpose to a general rectangular matrix.
Returns set entry of a random matrix.
Copies a triangular matrix from the standard packed format (TP) to the standard full format (TR) .
Solves a system of linear equations with a symmetric (Hermitian) positive-definite tridiagonal distributed matrix using the factorization computed by p?pttrf.
Computes row and column scaling factors intended to equilibrate a general rectangular distributed matrix and reduce its condition number.
Generates the unitary matrix Q of the QL factorization formed by p?geqlf.
Reduces a Hermitian matrix to Hermitian tridiagonal form by a unitary similarity transformation.