(In reply to Am I missing something?
In my example, you have to specify that both x and y are real, otherwise, x can be anything and y = ix
in friedlinguini's and levik's examples, the value of y was totally irrelevant; it could be real, immaginary, or complex.
| a + bi | = √(aČ + bČ)
Posted by TomM
on 2002-07-03 13:23:27