Die Vektoren
können Sie an 
ihrem Startpunkt 
ziehen.

a(x, y) = (((2 * x) * y^(4))) / (x^(2) + y^(2))^(2)
gl1: x - y = 0
gl2: x + y = 0
b = CurveCartesian((2 * t), (2 * t), t, t, 4, -4)
G1: (4, 4, 2)
O = (0, 0)
f = Line(G1, O)
G2: (-4, 4, -2)
g = Line(O, G2)
A = Point(f)
u = Vector((0, 3, 3))
A' = Translate(A, u)
v = Vector(A, A')
B = Point(g)
w = Vector((0, -3, 3))
B' = Translate(B, w)
c = Vector(B, B')
C = Point(f)
D = Point(f)
C' = Translate(C, u)
d = Vector(C, C')
D' = Translate(D, v)
e = Vector(D, D')
r = -0.5 (slider from -5 to 5)
s(x) = (((8 * r^(3)) * x^(3))) / (r^(2) + x^(2))^(3)
Text1: "" + (LaTeX[s]) + ""
h(x) = (((8 * (-0.1)^(3)) * x^(3))) / (0.1^(2) + x^(2))^(3)
p(x) = (((8 * (-0.2)^(3)) * x^(3))) / (0.2^(2) + x^(2))^(3)
q: y = 1
t: y = -1
f_1(x) = (((8 * 0.6^(3)) * x^(3))) / (0.6^(2) + x^(2))^(3)
E = (0.38303030303030206, -1.5966666666666667)
F = (0.8409427609427607, -1.5966666666666667)