Condition Numbers of PEI Matrices CACM November, 1970 Rokne, J. matrices, condition numbers, Pei matrices, eigenvectors, eigenvalues 5.14 CA701116 JB February 9, 1978 4:21 PM 1963 4 1963 1963 4 1963 1963 4 1963 909 5 1963 1963 5 1963 1963 5 1963 1963 5 1963 475 5 1963 750 5 1963