t_i,y_i 0.0,1.2 0.5,2.1 1.0,2.9 1.5,3.8 2.0,4.2 2.5,5.1 3.0,5.8 3.5,6.2 4.0,7.4 4.5,7.8 5.0,8.9 5.5,9.1 6.0,10.2 6.5,10.8 7.0,11.5 7.5,12.1 8.0,13.4 8.5,13.7 9.0,14.8 9.5,15.2