Kip Murray wrote: > Some time back there was a question about constructing upper triangular > matrices. The verbs
These verbs are a good idea, and I use similar ones for band matrices. You can express them a bit more succinctly. For example (unless I am mistaken) > super > 3 : '(2#y) $ 0 , (<: *: y) $ 1 , y#0' can be written super2=:_1=-/~@:i. Best wishes, John ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
