Calculation of Optimum Parameters for Alternating Direction Implicit Procedures [D3] (Algorithm A460) CACM October, 1973 Saylor, P. E. Sebastian, J. D. elliptic difference equations, Peaceman-Rachford, Douglas-Rachford, W. B. Jordan, optimum parameters, alternating-direction-implicit, ADI 5.14 5.17 CA731011 JB January 20, 1978 11:09 AM 2429 5 2429 2429 5 2429 2429 5 2429