sstevx(3) on Linux
The text 3ed0bb0d0227, as Debian 3.1 (Sarge) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
The text 3ed0bb0d0227, as Debian 3.1 (Sarge) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A