Determination of the Square Root of a Positive Definite Matrix (Algorithm 298 [F1]) CACM June, 1969 Duke, B. J. matrix, symmetric matrix, positive definite matrix, matrix square root 5.14 CA690611 JB February 17, 1978 9:53 AM 1882 5 1882 1882 5 1882 1882 5 1882