Roots of Matrix Pencils: The Generalized Eigenvalue Problem [F2] (Algorithm 405) CACM February, 1971 Dell, A. M. Weil, R. L. Thompson, G. L. eigenvalues, matrix roots, pencil roots 5.1 5.3 CA710208 JB February 8, 1978 8:37 AM 2213 5 2213 2213 5 2213 2213 5 2213