JPhrases/RandomNumbers
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10F. Random Numbers
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