Function random
Return a random number larger or equal to min
and smaller than max
using a uniform distribution.
Syntax
random() // generate a random number between 0 and 1
random(max) // generate a random number between 0 and max
random(min, max) // generate a random number between min and max
random(size) // generate a matrix with random numbers between 0 and 1
random(size, max) // generate a matrix with random numbers between 0 and max
random(size, min, max) // generate a matrix with random numbers between min and max
Parameters
Parameter |
Type |
Description |
size |
Array | Matrix |
If provided, an array or matrix with given size and filled with random values is returned |
min |
number |
Minimum boundary for the random value, included |
max |
number |
Maximum boundary for the random value, excluded |
Returns
Type |
Description |
number | Array | Matrix |
A random number |
Examples
random(); // returns a random number between 0 and 1
random(100); // returns a random number between 0 and 100
random(30, 40); // returns a random number between 30 and 40
random([2, 3]); // returns a 2x3 matrix with random numbers between 0 and 1
See also
randomInt,
pickRandom