Eigenvalues and Eigenvectors of a Real Symmetric Matrix (Algorithm 384 $F2)) CACM December, 1970 Stewart, G. W. real symmetric matrix, eigenvalues, eigenvectors, QR algorithm 5.14 CA701209 JB February 9, 1978 3:08 PM 1954 5 1954 1954 5 1954 1954 5 1954