see https://code.jsoftware.com/wiki/Vocabulary/semidot3#dyadic
Let
[t=.;2 3 2<@{."(0)1
1 0 1 0 0 1 0
T=:i.7 7
then what I want is produced with
>,.&,.&.>/('';~t)<;.1 L:_ 0 ('';t)<;.1 T
+-----+--------+-----+
|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|
+-----+--------+-----+
Is this (also) possible with <;.3 ?
R.E. Boss
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