t |           y(t) |              x |       y(t) - x
    2.0000e-01 |     1.3401e+00 |     1.3403e+00 |    -1.8623e-04
    4.0000e-01 |     7.3396e-01 |     7.3416e-01 |    -2.0099e-04
    6.0000e-01 |     1.5729e-01 |     1.5742e-01 |    -1.2579e-04
    8.0000e-01 |    -4.1306e-01 |    -4.1303e-01 |    -3.4629e-05