f=. 4 : '(i^-x)*y!i=.i.9' NB. some program g=. 13 : '(i^-x)*y!i=.i.9' NB. The tacit version of f
g (i.9) (^ * !~) [: - [ 6 f 4 NB. right 0 0 0 0 0.000244141 0.00032 0.000321502 0.000297495 0.000267029 6 g 4 NB. wrong 0 0 0 0 0 0 0 0 0 Thanks! Bo. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
