No need to convert to floating point first: 0j42 ": 5r3 1.666666666666666666666666666666666666666667
On Mon, Feb 24, 2014 at 8:32 PM, km <k...@math.uh.edu> wrote: > Floating point digits beyond the 17th are illusory on my 32-bit machine: > > 0j42 ": x:^:_1 [ 5r3 > 1.666666666666666740681534975010436028242111 > > Can use _1 x: y for x:^_1 y > > 0j42 ": _1 x: 5r3 > 1.666666666666666740681534975010436028242111 > > --Kip > > Sent from my iPad > > > On Feb 23, 2014, at 11:58 PM, Don Guinn <dongu...@gmail.com> wrote: > > > > Use the inverse of x: to convert rational to real (floating point): > > > > [r=:x:^:_1 B > > > > 1.61803 > > > > 3!:0 r > > > > 8 > > > > > > To display the value more accurately use format (":): > > > > 0j42":B > > > > 1.618033988749894848204586834365638117720309 > > > > > > On Sun, Feb 23, 2014 at 6:41 PM, Linda Alvord <lindaalv...@verizon.net > >wrote: > > > >> I just saw that there are several other ways to get the golden ration. > >> Before I look at them I don't know how to change the rational numbers A > >> and B to decimals with many digits. > >> > >> g=: 13 :'(+%)/\y$1x' > >> g > >> [: (+ %)/\ 1x $~ ] > >> > >> > >> A=:0{|. g 100 > >> > >> A > >> 573147844013817084101r354224848179261915075 > >> > >> > >> B=:0{|. g 200 > >> B > >> > >> > 453973694165307953197296969697410619233826r280571172992510140037611932413038 > >> 677189525 > >> > >> Linda > >> > >> -----Original Message----- > >> From: programming-boun...@forums.jsoftware.com > >> [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of PMA > >> Sent: Sunday, February 23, 2014 3:48 PM > >> To: programm...@jsoftware.com > >> Subject: Re: [Jprogramming] A Tale Without End > >> > >> My favorite.. > >> > >> -:>:%:5 > >> 1.61803 > >> > >> > >> Nimp O wrote: > >>> And also.. > >>> > >>> (+ %:)/ 0,20$1 > >>> 1.61803 > >>> > >>>> Date: Sun, 23 Feb 2014 20:11:11 +0000 > >>>> From: bojac...@yahoo.dk > >>>> To: programm...@jsoftware.com > >>>> Subject: Re: [Jprogramming] A Tale Without End > >>>> > >>>> {.>{:p. 1 1 _1 > >>>> 1.61803 > >>> s.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 > > ---------------------------------------------------------------------- > > 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