derson, et al. ( LAPACK ) Copyright O 1999 Anderson, E.; Bai, Z.; Bischof, C.; Blackford, S.; Demmel, J.; Dongarra, J.; Du Croz, J.; Greenbaum, A.; Hammarling, S.; McKenney, A. and Sorensen, D. LAPACK is a freely-available software package. It is available from netlib via anonymous ftp and the World Wide