No need to convert to floating point first:
0j42 ": 5r3
1.666666666666666666666666666666666666666667
On Mon, Feb 24, 2014 at 8:32 PM, km <[email protected]> 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 <[email protected]> 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 <[email protected]
> >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: [email protected]
> >> [mailto:[email protected]] On Behalf Of PMA
> >> Sent: Sunday, February 23, 2014 3:48 PM
> >> To: [email protected]
> >> 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: [email protected]
> >>>> To: [email protected]
> >>>> Subject: Re: [Jprogramming] A Tale Without End
> >>>>
> >>>> {.>{:p. 1 1 _1
> >>>> 1.61803
> >>> s.htm
> >>>
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> >>
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> >>
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