Algorithm 570: LOPSI: A Simultaneous Iteration Method for Real Matrices [F2]

Received 12 December 1977, 12 June 1979, and 14 April 1980. Permmsion to copy without fee all or part of thin material is granted provided that the copras are not made or distributed for direct commercial advantage, the ACM copymght notice and the title of the publication and its date appear, and notice is gwen that copying is by permission of the Association for Computmg Machinery. To copy otherwise, or to republmh, requires a fee and/or specific perralSSlOn Author's addresses: W. J. Stewart, Department of Computer Science, North Carolina State Univero sity, P.O. Box 5972, Raleigh, NC 27650; A. Jennings, Department of Civil Engineering, Queen's University, Belfast, BT7 1NN Northern Ireland © 1981 ACM 0098-3500/81/0600-0230 $00.75