global_xs=[-30 -20 -10 0 1 2 3 4 5 ];
global_ys=[0 0 0 2 2 2 2 2 2 ];
err(3) = 0;
smooth(3) = 0.05;
n_valid(3) = 6;
theta{3} = [0 -100.918 2 -2.04615 -2.37504 35.134 ];
