dgbtf2(3) on Linux
The text b955e6815c1e, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges
The text b955e6815c1e, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute an LU factorization of a real m-by-n band matrix A using partial pivoting with row interchanges