Strophoide
Author: Prof. Dr. Dörte Haftendorn

Drei Konstruktionen im Vergleich: Logozyclica, Weth-Kurve, Strophoide

Haftendorn 1998,  Anregungen Weth 1996, Schmidt 1949

Ortskurve

Logozyclica

Ortslinie Logozyclica

Ha 98

B = Intersect(xAxis, yAxis)
C = Point(xAxis)
a = OrthogonalLine(C, xAxis)
Q = Point(a)
c = Circle(Q, C)
b = Line(Q, B)
P', P = Intersect(c, b)
Ortslinie1 = Locus(P, Q)
Ortslinie2 = Locus(P', Q)
d = true
A = Point(yAxis)
e = Line(A, C)
f = Circle(B, A)
D, T = Intersect(f, e)
Ortslinie3 = Locus(T, A)
g = false
h = false