class KMeansCrystal::Measure::Euclidean

歐式距離

Public Class Methods

distance(a,b) click to toggle source
# File lib/kmeans-crystal.rb, line 6
def self.distance(a,b)
    sum = 0.0
    a.size.times{|i| sum += (a[i] -b[i])**2 }
    return Math.sqrt(sum)
end