This section describes the ScaLAPACK routines for the

QR

(RQ)

and

LQ

(QL)

factorization of matrices. Routines for the

RZ

factorization as well as for generalized

QR

and

RQ

factorizations are also included. For the mathematical definition of the factorizations, see the respective LAPACK sections or refer to [SLUG].

Table

"Computational Routines for Orthogonal Factorizations"

lists ScaLAPACK routines that perform orthogonal factorization of matrices.