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Euclidean Distance Between Two Vectors (arrays) In Ruby

03.13.2012
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        // Calculates the Euclidean distance between two vectors (arrays) in Ruby

def euclidean_distance(vector1, vector2)
  sum = 0
  vector1.zip(vector2).each do |v1, v2|
    component = (v1 - v2)**2
    sum += component
  end
  Math.sqrt(sum)
end