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By: a guest on Apr 30th, 2012  |  syntax: Python  |  size: 0.28 KB  |  hits: 17  |  expires: Never
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  1. # encoding: utf-8
  2. def dot_product(v1,v2):
  3.    if len(v1)!=len(v2):
  4.       return "Os vetores precisam ser de um mesmo espaço"
  5.    else:
  6.       r=[]
  7.       a=0
  8.       while a<len(v1):
  9.          r = r + [v1[a]*v2[a]]
  10.          a += 1
  11.       return sum(r)
  12.  
  13. print dot_product([1,2],[2,1])
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