||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
# 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
}}}

/* code_ends */

 * '''Solution by''': 
   * <Dr. A. W. Pangantiwar>, <Associate Prof. in Physics>, <Govt. College of Engineering, KARAD - 415124. Dist. Satara>