Another way is using quadratic squaring
#;(;@:{L:0 1)~^:(5) 1;1 0
9227465
which is more efficient:
#;(;;{.)^:(42) 1;0 NB. Miller
1134903170
ts'#;(;;{.)^:(42) 1;0'
1.2000234 3.7580992e9
versus
#; ([ ;@:{L:0 1~ [:,L:0 ])/(;@:{L:0 1)~^:(5 3 1) 1;1 0 NB. Boss
1134903170
ts'#; ([ ;@:{L:0 1~ [:,L:0 ])/(;@:{L:0 1)~^:(5 3 1) 1;1 0'
0.88478818 3.770689e9
In http://archive.vector.org.uk/art10501080 the rabbit sequence is used to
describe L-systems in J.
R.E. Boss
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> -----Oorspronkelijk bericht-----
> Van: [email protected]
> [mailto:[email protected]] Namens Raul Miller
> Verzonden: dinsdag 23 juli 2013 18:18
> Aan: Programming forum
> Onderwerp: [Jprogramming] golden strings
>
> http://www.johndcook.com/blog/2013/07/23/golden-strings/
>
> 0.5#.|.0,;(;;{.)^:(6) 1;0
> 0.709803
>
> :)
>
> --
> Raul
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
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