Class: Semantic::Compare

Inherits:
Object
  • Object
show all
Defined in:
lib/semantic/compare.rb

Class Method Summary collapse

Class Method Details

.cosine(vector1, vector2) ⇒ Object 



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# File 'lib/semantic/compare.rb', line 10

def cosine(vector1, vector2)
  unless vector2.nil? or vector1.nil?
    (vector2.dot(vector1)) / (vector1.norm * vector2.norm)
  end
end

.similarity(vector1, vector2) ⇒ Object 



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# File 'lib/semantic/compare.rb', line 6

def similarity(vector1, vector2)
  cosine(vector1, vector2)
end