6 lines
181 B
CoffeeScript
6 lines
181 B
CoffeeScript
|
root_mean_square = (ary) ->
|
||
|
|
sum_of_squares = ary.reduce ((s,x) -> s + x*x), 0
|
||
|
|
return Math.sqrt(sum_of_squares / ary.length)
|
||
|
|
|
||
|
|
alert root_mean_square([1..10])
|