# time                 x                       x'
0.0                    0.0                     1.0
9.999999999999999e-5   1.0000000000000003e-4   1.0
0.0011                 0.0011000000000000005   1.0
0.0111                 0.011100000000000006    1.0
0.1                    0.10000000000000006     1.0