Testfunktion 1: f(x) = x^2 auf [0,1] gegeben durch: xdata = [0.,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.] fdata = [0.,0.01,0.04,0.09,0.16,0.25,0.36,0.49,0.64,0.81,1.] fuer z = 0.73 Testfunktion 2: f_3(x) aus Aufgabe 1 auf [-6,-1] gegeben durch: xdata = [-6.,-5.7,-5.4,-5.1,-4.8,-4.5,-4.2,-3.9,-3.6,-3.3,-3.,-2.7,-2.4,-2.1,-1.8,-1.5,-1.2,-1.] fdata = [0.0845,0.103,0.126,0.154,0.188,0.23,0.279,0.337,0.403,0.474,0.547,0.611,0.656,0.664,0.611,0.47,0.215,-0.0297] fuer z = -4.0 und z = -1.02169