random(ZZ) -- random integer

Synopsis

• Usage:

  random n

• Function: random
• Inputs:

  • n, an integer,
• Optional inputs:

  • Density => ..., -- make a random module map
  • Height => ..., -- random element of a type
  • MaximalRank => ..., -- make a random module map
  • UpperTriangular => ..., -- make a random module map
• Outputs:

  • an integer, a random integer in the range 0 .. n-1

Description

i1 : random 57

o1 = 41

i2 : random 10^50

o2 = 4122581879759846572994125407997102491916747724078

i3 : tally apply(100, i -> random 7)

o3 = Tally{0 => 18}
           1 => 15
           2 => 15
           3 => 20
           4 => 6
           5 => 14
           6 => 12

o3 : Tally

See also

• setRandomSeed -- set starting point for random number generator
• tally -- tally the elements of a list or sequence