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random gaussian js

Kiroki answered on February 25, 2023 Popularity 3/10 Helpfulness 4/10

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random gaussian js

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// Standard Normal variate using Box-Muller transform.
function gaussianRandom(mean=0, stdev=1) {
    let u = 1 - Math.random(); //Converting [0,1) to (0,1)
    let v = Math.random();
    let z = Math.sqrt( -2.0 * Math.log( u ) ) * Math.cos( 2.0 * Math.PI * v );
    // Transform to the desired mean and standard deviation:
    return z * stdev + mean;
}

Popularity 3/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: gaussian javascript random

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Contributed on Feb 25 2023

Kiroki

0 Answers Avg Quality 2/10

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Normal Distribution Between 0 and 1

function randn_bm() {
  let u = 0, v = 0;
  while(u === 0) u = Math.random(); //Converting [0,1) to (0,1)
  while(v === 0) v = Math.random();
  let num = Math.sqrt( -2.0 * Math.log( u ) ) * Math.cos( 2.0 * Math.PI * v );
  num = num / 10.0 + 0.5; // Translate to 0 -> 1
  if (num > 1 || num < 0) return randn_bm() // resample between 0 and 1
  return num
}

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript random gaussian

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Contributed on Feb 25 2023

Kiroki

0 Answers Avg Quality 2/10

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