$p(2 5-.~[:q:]%+.)q 0 Assuming p and q are rank 0, of course. (And this is a reasonable assumption, since the problem statement suggests no use for dimensions).
Thanks, -- Raul On Jul 22, 2014 11:24 AM, "Dan Bron" <[email protected]> wrote: > Given 3 positive integers p,q and b, where p and q represent the numerator > and denominator of a rational number (respectively), and b a numerical > base (or radix), how can we know if p%q has a finite (or not) > representation in b? > > In other words, if p%q can be represented by a finite > (non-infinitely-repeating) decimal in base b, then what do we know about > the relationship of p to q or p%q to b ? > > You may allow p to take on the value 0 if needed for generality, but q is > strictly > 0 (obviously) and b is strictly > 1 (probably?). > > -Dan > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
