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

/* code_begins */

{{{
v = vector([3,4])
w = vector([4,3])
x = sqrt(3*3+4*4)
y = sqrt(4*4+3*3)
print "Dot Product is ",v*w
print "Length of v is ", x
print "Length of w is ", y
print "Sum is ",v+w
z = sqrt(7*7+7*7)
t = (v*w)/(x*y)
print "cos(theta) is",t

}}}

/* code_ends */

 * '''Solution by''': 
  Siva Jyoshna Poreddy, Student, IIIT-Hyderabad