xs = [ 0.6557 0.0357 0.8491 0.9340 0.6787 0.7577 0.7431 0.3922 0.6555 0.1712 0.7060 0.0318 0.2769 0.0462 0.0971 0.8235 0.6948 0.3171 0.9502 0.0344 ]; ys = [ 0.7022 0.4971 0.7121 0.7755 0.6876 0.7835 0.6757 0.5844 0.6679 0.5602 0.8047 0.4898 0.6467 0.4866 0.5871 0.7632 0.6932 0.6126 0.8183 0.5068 ];