# Sec. 3.2, Example 1

import numpy as np
a = matrix((1,1,1))
b = matrix((1,2,3))
at = a.transpose()
num = np.dot(b, at)[0][0]
den = np.dot(a, at)[0][0]
print num / den

Strang-3.2-1 (last edited 2010-12-17 11:45:00 by 172)