2Lapp_Inkugel_Umkugel_im_Koordinatenursprung

z_{1}(x, y) = (-2 * y^(2)) + 2
z_{2}(x, y) = (2 * x^(2))
gl1: x^(2) + y^(2) = 1
c = Sphere((0, 0, 0), sqrt(7) / 4)
d = Sphere((0, 0, 0), sqrt(2))
e = CurveCartesian(t, 0, (2 * t^(2)) - 1, t, -1, 1)
A = Point(e)
b = CurveCartesian(cos(t), sin(t), (2 * (cos(t))^(2)) - 1, t, 0, (2 * pi))
B = Point(b)
g = Segment(A, B)
j = CurveCartesian((sqrt(7) / 4 * cos(t)), (sqrt(7) / 4 * sin(t)), 0, t, 0, (2 * pi))
i = CurveCartesian(cos(t), sin(t), 1, t, 0, (2 * pi))
f = CurveCartesian(0, t, 2 - (2 * t^(2)) - 1, t, -1, 1)
a = CurveCartesian(cos(t), sin(t), -1, t, 0, (2 * pi))
E: (sqrt(3 / 8), 0, (-(1 / 4)))
F: ((-sqrt(3 / 8)), 0, (-(1 / 4)))
G: (0, sqrt(3 / 8), 1 / 4)
H: (0, (-sqrt(3 / 8)), 1 / 4)
h = CurveCartesian((sqrt(3 / 8) * cos(t)), (sqrt(3 / 8) * sin(t)), 1 / 4, t, 0, (2 * pi))
k = CurveCartesian((sqrt(3 / 8) * cos(t)), (sqrt(3 / 8) * sin(t)), (-(1 / 4)), t, 0, (2 * pi))
C = Point(f)
D = Point(f)
l = Segment(C, D)