chbevx(3) on Linux
The text 9691ea9ab2b7, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A
The text 9691ea9ab2b7, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a complex Hermitian band matrix A