a = vector([1,3,2])
b = vector([2,0,-5])
c = vector([4,-2,1])
b.dot_product(a - b), a.dot_product(b) - b.dot_product(b)

SageDays/Kreyszig-8.2-6 (last edited 2010-08-11 13:31:25 by bhanukiran)