Raul, a: */ . = A is very impressive to me especially because it seems to avoid the transpose. I want to remember it because I have occasionally thought a special case in J for &.|: would be very effective, but perhaps next time that occurs to me I'll remember your answer here.
On Wed, Jun 1, 2016 at 10:07 AM, Raul Miller <[email protected]> wrote: > Or, there's a general pattern leading in the direction of (the > incredibly useful) linear algebra: > > A=:(;:'b c') (0 0;2 2)}3 3$a: > */"1 a: = A > 0 1 0 > a: */ .= A > 0 1 0 > > -- > Raul > > > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
