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Ingy döt Net 2013-04-10 14:58:50 -07:00
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commit 051504d65b
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Task/Averages-Root-mean-square/JavaScript/averages-root-mean-square.js Normal file
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function root_mean_square(ary) {
var sum_of_squares = ary.reduce(function(s,x) {return (s + x*x)}, 0);
return Math.sqrt(sum_of_squares / ary.length);
}
print( root_mean_square([1,2,3,4,5,6,7,8,9,10]) ); // ==> 6.2048368229954285