a

v

a(v)

v

A = (-2, -1)
B = (1, -1)
C = (1, 2)
D = (-2, 2)
v1, a1, b1, c1, d1 = Polygon(A, B, C, D)
E = (-3, 1)
F = (-2, 1)
uebergabe = Vector(E, F)
G = Point(b1)
H = (2, 0)
rueckgabe = Vector(G, H)
v = 50 (slider from -5 to 200)
Eingabefeld1 = Textfield(v)
r(v) = (v / 10 * 3)
b(v) = (v / 10 * v / 10)
a(v) = r(v) + b(v)
Text4: "" + (LaTeX[a(v)]) + ""