dsbevx(3) on Linux
The text 9bc09f2e2ccc, as Debian 4.0 (Etch) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A
The text 9bc09f2e2ccc, as Debian 4.0 (Etch) shipped it.
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric band matrix A