dgbbrd(3) on Linux
The text 6d8afb8732b3, as Debian 1.3 (Bo) shipped it.
reduce a real general m-by-n band matrix A to upper bidiagonal form B by an orthogonal transformation
The text 6d8afb8732b3, as Debian 1.3 (Bo) shipped it.
reduce a real general m-by-n band matrix A to upper bidiagonal form B by an orthogonal transformation