q
u
a
n
t
u
m
n
u
m
b
e
r
s
n
1
0
n
2
0
c
o
m
p
l
e
x
c
o
e
f
f
i
c
i
e
n
t
c
0
.
2
5
θ
2
π
0
.
2
5