Generate uniform pseudo-random integers from linear range.

Function that uses RAND to generate random integers in the specified linear range, as follows:

result = floor(a + (b-a+1).* rand(N)),
where specified range is [a b]

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Please note: There are lots of ways to do this and lots of interesting submissions on FEX which provide similar results (see below).

random numbers:

#18443 - Random Integer Generator
#5346 - MYRANDINT -- Random Integer Generation
#27942 - WWW.RANDOM.ORG random integers/sequences/strings
#27809 - Unique Random Integer List
#13007 - Random Number Generator
#21353 - True Random Integer Generator (random.org)

random arrangement:

#30189 - RANDPERMFULL (derangement)
#17981 - RANDBLOCK
#27076 - Shuffle