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 <rogerhui.can...@gmail.com> 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 <mike_liz....@tiscali.co.uk > <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 <thekipmur...@gmail.com > <javascript:;>> > >> wrote: > >> > >> That's great! It's still a nice puzzle to write your own. --Kip > >>> > >>> On Tuesday, March 8, 2016, Raul Miller <rauldmil...@gmail.com > <javascript:;>> wrote: > >>> > >>> 2 x: 6r4 > >>>> 3 2 > >>>> > >>>> -- > >>>> Raul > >>>> > >>>> > >>>> On Tue, Mar 8, 2016 at 10:04 PM, Kip Murray <thekipmur...@gmail.com > <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
