Ha 2015

z_1(x, y) = 4 - (x^(2) + y^(2))
h = 2.45
z_e(x, y) = h
Liste1 = Sequence(x^(2) + y^(2) = r^(2), r, 0, 2, 0.5)
Liste2 = Sequence(y = 4 - x^(2) - k^(2), k, -2, 2, 0.5)