I find this example unconvincing as the following achieves the same end much more simply and efficiently.
f i.2 5 0 1 0.5 0.333333 0.25 0.2 0.166667 0.142857 0.125 0.111111 f 0 0 f 3j4 0.12j_0.16 On Thu, Oct 10, 2013 at 9:48 PM, David Lambert <b49p23t...@stny.rr.com>wrote: > I don't find examples of "under itemize" in the under essay. I inserted > an entry " Extend verb domain". > > > reciprocal_or_zero =: =&0`(0,:~%)} NB. zeros may come from fill > > reciprocal_or_zero 8 NB. OH NO! > |rank error: reciprocal_or_zero > | reciprocal_or_zero 8 > > > (;$) reciprocal_or_zero&.,:8 > +-----++ > |0.125|| > +-----++ > > (;$) reciprocal_or_zero&.,:i. 2 5 > +-----------------------------**----------+---+ > | 0 1 0.5 0.333333 0.25|2 5| > |0.2 0.166667 0.142857 0.125 0.111111| | > +-----------------------------**----------+---+ > > ------------------------------**------------------------------**---------- > For information about J forums see > http://www.jsoftware.com/**forums.htm<http://www.jsoftware.com/forums.htm> > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm