code: def is_same_vectors(self, vec_set1, vec_set2):
          
          if (np.absolute(rel_strain(vec_set1[0], vec_set2[0])) >
                  self.max_length_tol):
              return False
          elif (np.absolute(rel_strain(vec_set1[1], vec_set2[1])) >
                    self.max_length_tol):
              return False
          elif (np.absolute(rel_angle(vec_set1, vec_set2)) >
                    self.max_angle_tol):
              return False
          else:
              return True
docs: Determine if two sets of vectors are the same within length and angle
          tolerances
  
          Args:
              vec_set1(array[array]): an array of two vectors
              vec_set2(array[array]): second array of two vectors