zstein(3) on Linux
The text 753f8926655e, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
The text 753f8926655e, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration