dstevx(3) on Linux
The text 19f738c9dbb3, as Debian 3.1 (Sarge) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
The text 19f738c9dbb3, as Debian 3.1 (Sarge) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A