Uff...
qt =: {{if. 1=#y do.y else. qt"2 (,:~-:$y) [ ;. _3 y end.}}
, qt i.8 8
0 1 8 9 2 3 10 11 16 17 24 25 18 19 26 27 4 5 12 13 6 7 14 15 20 21 28 29
22 23 30 31 32 33 40 41 34 35 42 43 48 49 56 57 50 51 58 59 36 37 44 45 38
39 46 47 52 53 60 61 54 55 62 63
On Fri, 30 Jul 2021 at 14:24, Ben Gorte <[email protected]> wrote:
> > Yeah! That is very closely related to what I'm currently doing
>
> ... and yet I give the wrong answer :-(
>
> Shame on me
>
> Ben
>
> On Fri, 30 Jul 2021 at 12:50, Ben Gorte <[email protected]> wrote:
>
>> Yeah! That is very closely related to what I'm currently doing (in fact
>> quite a while already). Quadtrees and octrees
>>
>> v
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>> , (2 2$2) ] ;. _3 i.8 8
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>> On Fri, 30 Jul 2021 at 12:07, Elijah Stone <[email protected]> wrote:
>>
>>> Generate the following permutation of i.64:
>>>
>>> 0 1 8 9 2 3 10 11 16 17 24 25 18 19 26 27 4 5 12 13 6 7 14 15 20 21 28
>>> 29 22 23 30 31 32 33 40 41 34 35 42 43 48 49 56 57 50 51 58 59 36 37 44 45
>>> 38 39 46 47 52 53 60 61 54 55 62 63
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>
>>
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For information about J forums see http://www.jsoftware.com/forums.htm
