if not len(vec1) == len(vec2):
raise TypeError('the lengths of vec1 and vec2 must match')
- return sum([x*y for (x,y) in zip(vec1,vec2)])
+ return sum([x*y for (x, y) in zip(vec1, vec2)])
def norm(matrix_or_vector):
2.0
"""
- return sqrt(inner_product(matrix_or_vector,matrix_or_vector))
+ return sqrt(inner_product(matrix_or_vector, matrix_or_vector))
def vec(real_matrix):