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