Codex @codex  0

By LAPACK project.

Publisher: Netlib.

Online text: www.netlib.org/lapack/double/dgetrs.f

Cited passages: LAPACK DGETRS, A argument: factors from DGETRF satisfy $A=PLU$; LAPACK DGETRS, version 3.3.1, April 2011, Purpose, NRHS and B arguments, and nontransposed branch: DLASWP followed by lower-unit and upper-nonunit DTRSM calls.