Henry Rich wrote: > 570 470 %. 2 2 $ 3 5 5 3 > 40 90 This is a good method for well conditioned matrices. Results need to be interpreted more carefully in cases like
A=:2 2 $ 1 1.0000001 1 1 b=:2.0000001 2 b %. A 0.911182 1.08882 b-:A +/ .* 1 1 1 Best wishes, John ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
