global_xs=[-30 -20 -10 0 1 2 3 4 5 ];
global_ys=[0 0 0 2 2 2 2 2 2 ];
err(6) = 0;
smooth(6) = 0.05;
n_valid(6) = 6;
theta{6} = [0 -0.472192 2 -2.23103 -8.92377 7.781 ];
