| Reflexive | u~ _ ru lu | Passive |
|
u~ y ↔ y u y . For example, ^~ 3
is 27, and +/~ i. n is an addition table.
|
~ commutes or crosses connections to
arguments: x u~ y ↔ y u x .
|
x=: 1 2 3 4 [ y=: 4 5 6 x (,.@[ ; ^/ ; ^/~ ; ^/~@[ ; ]) y +-+-------------+-------------+-----------+-----+ |1| 1 1 1|4 16 64 256|1 1 1 1|4 5 6| |2| 16 32 64|5 25 125 625|2 4 8 16| | |3| 81 243 729|6 36 216 1296|3 9 27 81| | |4|256 1024 4096| |4 16 64 256| | +-+-------------+-------------+-----------+-----+ into=: %~ (i. 6) % 5 0 0.2 0.4 0.6 0.8 1 5 into i. 6 0 0.2 0.4 0.6 0.8 1 from=: -~ (i.6) - 5 _5 _4 _3 _2 _1 0 5 from i.6 _5 _4 _3 _2 _1 0 (x %/ y);(x %~/ y);(x %/~ y) +-----------------+-------------------+------------------+ |0.25 0.2 0.166667| 4 5 6|4 2 1.33333 1| | 0.5 0.4 0.333333| 2 2.5 3|5 2.5 1.66667 1.25| |0.75 0.6 0.5|1.33333 1.66667 2|6 3 2 1.5| | 1 0.8 0.666667| 1 1.25 1.5| | +-----------------+-------------------+------------------+