At t =  0.000000e+00 u =   1.000000e+00    1.000000e+00    1.000000e+00 
At t =  0.000000e+00 errors =   0.000000e+00    0.000000e+00    0.000000e+00 
At t =  1.000000e+00 u =   2.620596e+01    3.631673e+01    2.620596e+01 
At t =  1.000000e+00 errors =   7.994325e-04    1.130509e-03    7.994325e-04