How can I calculate only the imaginary part of a complex number?
So I have the following function which the x will be the difference between two point:
def complexDis(x): return sqrt((x.real()^2)+((x.imag()*-i)^2))
But it seems like i can’t actually operate the .real or .imag number or at least I can’t print it out with N(conplexDis(b-a)) so im asking how can I achieve my goal?
What goes wrong if you do
n(complexDis(b-a).imag())
, or the same withreal()
?@John-Palmieri same both imag and real after squaring them they both doesn’t output real number
Hi andrewwyg
maybe there is something I'm missing, but i don't see where the problem is?
I think we need more information: what are
a
andb
, and what are you expecting for your output?Note that
x.imag()
is a real number, so(x.imag()*-i)
is purely imaginary. Its square will be negative, so your function may certainly end up computing the square root of a negative number.