| d0=: {.@[ + ?@(] $ -@(-/@[)) | Shape y array of random numbers in x |
| d1=: ?@# | x numbers from i.y with replacement |
| d2=: ? | x numbers from i.y without replacement |
| m3=: 9!:1@<.@(+/ .^&2@(6!:0@])) | Randomizing random number seed |
| m4=: (>:@? % 2147483647&[) @ $ & 2147483646 | Random numbers between 0 and 1 |
| m5=: {~ ?~@# | Random shuffle of y |