Multiplies a general matrix by the unitary matrix Q of the QL factorization formed by p?geqlf.
Reduces a symmetric matrix to real symmetric tridiagonal form by an orthogonal similarity transformation.
Reorders the Schur factorization of a general matrix.
Computes an RQ factorization of a general rectangular matrix (unblocked algorithm).
Applies a permutation matrix to a general distributed matrix, resulting in row or column pivoting.
Forms the triangular vector
T of a block reflector
Computes the product
L'*L, where U and L are upper or lower triangular matrices (local unblocked algorithm).
Reduces a symmetric/Hermitian positive-definite generalized eigenproblem to standard form, using the factorization results obtained from p?potrf (local unblocked algorithm).