den and num illustrate different ways of computing the same thing, hopefully in so doing improves understanding. If you want speed 2&x: is going to be faster.
Also, watch this: 2 x: o. 1 1285290289249 409120605684 x: o. 1 1285290289249r409120605684 2 x:!.0 o. 1 884279719003555 281474976710656 x:!.0 o. 1 884279719003555r281474976710656 On Wed, Mar 9, 2016 at 7:20 AM, Mike Day <[email protected]> wrote: > Roger, are these (among) recommended and preferred methods for > recovering num & den, or do they just show an elegant way of > avoiding 2 x: ? > > Thanks, > > Mike > > > On 09/03/2016 04:32, Roger Hui wrote: > >> x=: %/?2$10^8x >> x >> 69904549r40669028 >> >> den=: [: % 1 +. ] >> num=: * den >> >> den x >> 40669028 >> num x >> 69904549 >> >> >> >> >> On Tue, Mar 8, 2016 at 7:28 PM, Kip Murray <[email protected]> >> wrote: >> >> That's great! It's still a nice puzzle to write your own. --Kip >>> >>> On Tuesday, March 8, 2016, Raul Miller <[email protected]> wrote: >>> >>> 2 x: 6r4 >>>> 3 2 >>>> >>>> -- >>>> Raul >>>> >>>> >>>> On Tue, Mar 8, 2016 at 10:04 PM, Kip Murray <[email protected] >>>> <javascript:;>> wrote: >>>> >>>>> How do you find the numerator and denominator in lowest terms of a >>>>> >>>> rational >>>> >>>>> fraction? For example, >>>>> >>>>> nd 6r4 >>>>> 3 2 >>>>> >>>>> --Kip Murray >>>>> >>>>> >>>>> >>>>> -- >>>>> Sent from Gmail Mobile >>>>> ---------------------------------------------------------------------- >>>>> For information about J forums see http://www.jsoftware.com/forums.htm >>>>> >>>> ---------------------------------------------------------------------- >>>> For information about J forums see http://www.jsoftware.com/forums.htm >>>> >>> >>> >>> -- >>> Sent from Gmail Mobile >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >>> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
