$ ,/ i.3 4 5
12 5
On Sat, May 23, 2020 at 7:56 PM bill lam <[email protected]> wrote:
> I had a problem similar to that of the recent shape question,
> a=. i. 3 4 5
> to reshape to rank-2 array with trailing shape unchanged that is shape 12
> 5,
> This works but difficult to remember
> (((*/@}: , {: )@: $) $ , ) i. 3 4 5
> 0 1 2 3 4
> 5 6 7 8 9
> 10 11 12 13 14
> 15 16 17 18 19
> 20 21 22 23 24
> 25 26 27 28 29
> 30 31 32 33 34
> 35 36 37 38 39
> 40 41 42 43 44
> 45 46 47 48 49
> 50 51 52 53 54
> 55 56 57 58 59
>
> this can also work and easier to remember but Henry Rich said recently
> that ]\ doesn't support virtual block yet.
> _5 ]\ ,i. 3 4 5
> 0 1 2 3 4
> 5 6 7 8 9
> 10 11 12 13 14
> 15 16 17 18 19
> 20 21 22 23 24
> 25 26 27 28 29
> 30 31 32 33 34
> 35 36 37 38 39
> 40 41 42 43 44
> 45 46 47 48 49
> 50 51 52 53 54
> 55 56 57 58 59
>
> Any suggestions of other ways to do it?
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