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courses:rg:2012:distributed-perceptron [2012/12/16 16:04]
machacek
courses:rg:2012:distributed-perceptron [2012/12/16 16:46]
machacek
Line 45: Line 45:
 w = [?, ?] w = [?, ?]
  
-Acording to English [[http://en.wikipedia.org/wiki/Perceptron#Multiclass_perceptron|Wikipedia]]:+**Answer 1:** 
 + 
 +f(**x**,y) = (y == 0) ? (**x**, 0,0,...,0) : (0,0,...,0,**x**) 
 + 
 +**Answer 2:** 
 + 
 +Acording to English [[http://en.wikipedia.org/wiki/Perceptron#Multiclass_perceptron|Wikipedia]]: This multiclass formulation reduces to the original perceptron when **x** is a real-valued vector, y is chosen from {0,1}, and f(**x**,y) = y * **x**. 
 + 
 +However, I would say, that this holds only for activation treshold = 0. Therefore, this formula cannot be used to compute example from Question 1.
  
-This multiclass formulation reduces to the original perceptron when **x** is a real-valued vector, y is chosen from {0,1}, and f(x,y) = y * **x**. 
  
 ==== Question 3 ==== ==== Question 3 ====

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