physic
Jun 1, 2012, 03:51 PM
how we can proof Cauchy–Schwarz inequality (http://en.wikipedia.org/wiki/Cauchy–Schwarz_inequality) for these two complex numbers?
z=a+ib
w=c+id
in the case of triangle inequality
|z+w|\le |z|+|w|
z=a+ib
w=c+id
in the case of triangle inequality
|z+w|\le |z|+|w|