global_xs=[-30 -20 -10 0 1 2 3 4 5 ];
global_ys=[0 0 0 0 1 2 3 2 2 ];
err(1) = 0.242342;
smooth(1) = 0.05;
n_valid(1) = 6;
theta{1} = [0.0208633 4.09931 1.88172 1.84959 3.08681 1.85767 ];
