dstegr(3) on Linux
The text fdbd2a774e1e, as Debian 4.0 (Etch) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix T
The text fdbd2a774e1e, as Debian 4.0 (Etch) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix T