NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET Time-Symmetry of the Crouch–Grossman Method by Kenth Engø and Arne Marthinsen PREPRINT NUMERICS NO. 2/2000 NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY TRONDHEIM, NORWAY This report has URL http://www.math.ntnu.no/preprint/numerics/2000/N2-2000.ps Address: Department of Mathematical Sciences, Norwegian University of Science and Technology, N-7491 Trondheim, Norway.