Random seeds : Math « Development « Ruby

  1. Ruby
  2. Development
  3. Math




Random seeds


srand(0)                # Known seed
[rand(100),rand(100)]   # => [44,47]: pseudorandom sequence
srand(0)                # Reset the seed to repeat the sequence
[rand(100),rand(100)]   # => [44,47]

Related examples in the same category

1.Math functions from the Math module
2.The Math Object
3.The Math.exp function returns Euler to the power of x.
4.Call to the class method sqrt from the Math module
5.do natural logarithms (base E or Euler) and base-10 logarithms.
6.Taking Logarithms
7.Random number
8.Convert the Cartesian point (x,y) to polar (magnitude, angle) coordinates
9.Convert polar coordinates to Cartesian coordinates