z

z

-θ

z

\bar{z}

\frac{1}{z}

\frac{1}{\bar{z}}

Ha 2016

Riemann'sche Zahlenkugel

zz = (1.1866666666666728, 0.6088888888888906)
zz' = Mirror(zz, xAxis)
O = Intersect(xAxis, yAxis)
c = Circle(O, 1)
f = Ray(O, zz)
g = Ray(O, zz')
A = Point(xAxis)
α = Angle(A, O, zz)
θ = Angle(zz', O, A)
zz'_1 = Mirror(zz, c)
zz'' = Mirror(zz', c)
a: x^(2) + y^(2) + (z - 1)^(2) = 1
b = CurveCartesian(t, (2 * t) - 2, 0, t, -1, 3)
N: (0, 0, 2)
d: (2 * x) - y + z = 2
Z: (1.5, -1, 0)
h = Line(Z, N)
Z', C = Intersect(h, a)