CCL: eigenvalues & eigenvectors



Dear CCL,
 
Does anyone have or know of freeware that can
compute the eigenvalues and eigenvectors of a
real symmetric matrix (e.g a Hessian, but not
necessarily a Hessian)?  I'd be content to run
under either Windows or Linux.
 
Thank you,
David Anick PhD MD
david.anick :: rcn.com