sgehrd(3) on Linux
The text 6b4b048524fa, as Debian 3.1 (Sarge) shipped it.
reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation
The text 6b4b048524fa, as Debian 3.1 (Sarge) shipped it.
reduce a real general matrix A to upper Hessenberg form H by an orthogonal similarity transformation