T=10; n=[2,1,2,4,4,3,4,1,2,4]; x=[5.41,0.81,7.05,7.37,5.93,2.5,6.99,2.15,8.52,7.16,5.21,7.69,9.08,3.81,5.73,7.85,1.26,2.67,0.64,8.53,8.79,4.46,5.36,5.16,9.11,0.2,6.33]; y=[2.39,5.42,8.02,6.21,7.65,2.14,6.68,7.41,8.41,2.67,0.02,2.96,4.72,0.49,9.27,4.68,4.02,3.35,9.53,9.87,5.86,1.82,8.81,8.94,0.25,5.7,1.94];