How about rounding to a rational of some precision like pi rounded to 22r7 ? On Mar 9, 2016 8:52 AM, "Kip Murray" <[email protected]> wrote:
> Thanks, Roger and Raul. Not understanding GCD +. I had a Rube Goldberg > solution involving Format ": and Do ". --Kip > > On Wednesday, March 9, 2016, Roger Hui <[email protected]> wrote: > > > 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] > > <javascript:;>> 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] > > <javascript:;>> > > >> wrote: > > >> > > >> That's great! It's still a nice puzzle to write your own. --Kip > > >>> > > >>> On Tuesday, March 8, 2016, Raul Miller <[email protected] > > <javascript:;>> wrote: > > >>> > > >>> 2 x: 6r4 > > >>>> 3 2 > > >>>> > > >>>> -- > > >>>> Raul > > >>>> > > >>>> > > >>>> On Tue, Mar 8, 2016 at 10:04 PM, Kip Murray <[email protected] > > <javascript:;> > > >>>> <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 > > > > -- > 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
