zstegr(3) on Linux
The text 9a6d744e50c9, as Debian 3.0 (Woody) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix T
The text 9a6d744e50c9, as Debian 3.0 (Woody) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix T