Generate random number with a non-uniform distribution, poisson Random Number - Javascript Math

Javascript examples for Math:random

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Description

Generate random number with a non-uniform distribution, poisson Random Number

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=function(){//  w w  w .  j  a  va2s .c  om
function poissonRandomNumber(lambda) {
    var L = Math.exp(-lambda),
        k = 0,
        p = 1;
    do {
        k = k + 1;
        p = p * Math.random();
    } while (p > L);
    return k - 1;
}
document.getElementById("result").textContent = poissonRandomNumber(100);
    }

      </script> 
   </head> 
   <body> 
      <div id="result"></div>  
   </body>
</html>

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