Verschiebung in x-Richtung:

\mbox{neue Funktion: }f(x)=\left(  x-v_x \right)^2

v_x = 2.75 (slider from -3 to 5, step 0.25)
p(x) = x^(2.0)
A = (1, 1)
B: (1.0 + v_x, 1.0)
D = (0.5, 0.25)
E = (0, 1)
v = Vector(E, A)
u = Vector(A, B)
f(x) = (x - v_x)^(2.0)
C: (0.5 + v_x, 0.5^(2.0))