Haftendorn, Buch:
Kurven erkunden und verstehen
Kap 02:S. 18

Ha 2016

s = 0.44 (slider from 0.44 to 0.96, step 0.04)
t = 0.3
a = 4
b = 2
f(x) = (a * cos(x))
g(x) = (b * sin(x))
d = CurveCartesian((s * f(t)), (s * g(t)), t, 0, 6.28319)
c = CurveCartesian((0.4 * f(t)), (0.4 * g(t)), t, 0, 6.28319)
e = CurveCartesian(f(t), g(t), t, 0, 6.28319)
h = false
f_s(x) = (s * f(x))
g_s(x) = (s * g(x))
f_k(x) = ((0.4 * 4) * cos(x))
g_k(x) = ((0.4 * 2) * sin(x))