Module: Math

Defined in:
lib/kvg_character_recognition/utils.rb

Class Method Summary collapse

Class Method Details

.euclidean_distance(p1, p2) ⇒ Object

Add euclidean distance method to ruby Math module This methods calculates the euclidean distance between 2 points Params:

  • p1, p2: [x, y]



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# File 'lib/kvg_character_recognition/utils.rb', line 6

def self.euclidean_distance(p1, p2)
  sum_of_squares = 0
  p1.each_with_index do |p1_coord,index|
    sum_of_squares += (p1_coord - p2[index]) ** 2
  end
  Math.sqrt( sum_of_squares )
end

.manhattan_distance(p1, p2) ⇒ Object 



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# File 'lib/kvg_character_recognition/utils.rb', line 14

def self.manhattan_distance(p1, p2)
  sum = 0
  p1.each_with_index do |p1_coord,index|
    sum += (p1_coord - p2[index]).abs
  end
  sum
end