at t= 4.0000e-01 y= 9.851712e-01 3.386380e-05 1.479493e-02 at t= 4.0000e+00 y= 9.055333e-01 2.240655e-05 9.444430e-02 at t= 4.0000e+01 y= 7.158403e-01 9.186334e-06 2.841505e-01 at t= 4.0000e+02 y= 4.505250e-01 3.222964e-06 5.494717e-01 at t= 4.0000e+03 y= 1.831976e-01 8.941773e-07 8.168015e-01 at t= 4.0000e+04 y= 3.898729e-02 1.621940e-07 9.610125e-01 at t= 4.0000e+05 y= 4.936362e-03 1.984221e-08 9.950636e-01 at t= 4.0000e+06 y= 5.161833e-04 2.065787e-09 9.994838e-01 at t= 4.0000e+07 y= 5.179804e-05 2.072027e-10 9.999482e-01 at t= 4.0000e+08 y= 5.283675e-06 2.113481e-11 9.999947e-01 at t= 4.0000e+09 y= 4.658667e-07 1.863468e-12 9.999995e-01 at t= 4.0000e+10 y= 1.431100e-08 5.724404e-14 1.000000e+00