v = vector([3,4])
length_v = sqrt(3*3+4*4)
T = vector([-4,3])
print "Dot Product is",v*T
u = v / length_v
print "u is",u
U = T/sqrt(-4*-4+3*3)
print "U is",U
print "-U is",-U

Strang-1.2-1.2B (last edited 2010-12-18 10:54:48 by Siva Jyoshna Poreddy)