Durchdringung_zweier_parabolZylinder_Bild1

z_{1}(x, y) = (2 * x^(2))
z_{2}(x, y) = (-2 * y^(2)) + 2
f_{1}(x, y) = If[-1.5 < y < 1.5, (2 * x^(2))]
par = 1 (slider from -5 to 5)
f = 1 (slider from -5 to 5)
f_2(x, y) = If[-1.5 < x < 1.5, (-2 * y^(2)) + 2]
a = CurveCartesian(cos(t), sin(t), (2 * (cos(t))^(2)), t, 0, (2 * pi))
c = Circle((0, 0, 0), 1, xOyPlane)