Create the array of square roots of n for n=1,2,...,9.
a1 = sqrt([1:9])
Create an array of 15 random real values uniformly distributed between
0 and 10.
generate/random a2 0 10 15
or
a2 = ran([0:15])*10
Create a 5×3 array of integers chosen randomly between 1
and 100.
a3 = fold(int(ran([1:15])*99+1),5)