\frac{5}{8}

\frac{3}{8}

Hauptscheitelkreis

Nebenscheitelkreis

Ellipse

Ha 2016

O = (0, 0)
a = 8
b = 3 (slider from -5 to 5, step 0.1)
c: x^(2) + y^(2) = a^(2)
d: x^(2) + y^(2) = b^(2)
Q = Point(d)
e = Ray(O, Q)
E = Intersect(c, e)
f = OrthogonalLine(Q, yAxis)
g = OrthogonalLine(E, f)
P = Intersect(f, g)
h = Segment(E, P)
i = Segment(P, Q)
Ortslinie1 = Locus(P, Q)
H = Point(c)
j = OrthogonalLine(H, xAxis)
H_x = Intersect(j, xAxis)
P': (x(H_x), (3 / 8 * y(H)))
k = Segment(H, P')
l = Segment(P', H_x)
u = Vector(H, P')
E_x: (x(E), 0)
v = Vector(E, P)
m = Segment(P, E_x)
B: (0, b)
A: (a, 0)
w = Vector((0, a), B)