Table 5: Comparison of errors at different times for and , with , problem (a).

Time - - - -
Present [18] Present [18]

1.5 0.00019 0.00770 0.00132 0.04210
2.0 0.00018 0.01154 0.00102 0.05166
2.5 0.00017 0.01431 0.00082 0.05623
3.0 0.00016 0.01654 0.00069 0.05882
3.5 0.00019 0.01872 0.00109 0.06046
4.0 0.00035 0.02255 0.00268 0.07691