Sorry. Here it is: f=: % * 0&~: 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 Fri, Oct 11, 2013 at 4:49 AM, Raul Miller <rauldmil...@gmail.com> wrote: > You did not provide a definition for f. > > f=: *%] > > gives me this kind of result: > > (*%]) i.2 5 > 0 1 0.5 0.333333 0.25 > 0.2 0.166667 0.142857 0.125 0.111111 > (*%]) 0 > 0 > (*%]) 3j4 > 0.2j1.77636e_17 > > So I'm not sure how you got 0.12j_0.16 > > Hints? > > Thanks, > > -- > Raul > > > On Fri, Oct 11, 2013 at 2:20 AM, Roger Hui <rogerhui.can...@gmail.com> > wrote: > > 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 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
