]>

Table 3: Approximate solution of (4.30) for some values of using the 3-term HAM approximation, , with and

Exact 0.1 0.25 0.946129 0.984066 0.488195 0.496911 0.317948 0.319612 0.316042 0.50 0.843908 0.883590 0.405740 0.414926 0.250500 0.252292 0.250000 0.75 0.715013 0.752540 0.324453 0.333180 0.190964 0.192689 0.191689 1.0 0.576466 0.609185 0.249683 0.257315 0.140979 0.142501 0.142537 0.2 0.25 1.475318 1.551785 0.791250 0.816533 0.481199 0.488421 0.461284 0.50 1.359827 1.439679 0.690146 0.716646 0.396941 0.404576 0.387456 0.75 1.180981 1.256421 0.574405 0.599498 0.315266 0.322535 0.316042 1.0 0.970078 1.035807 0.456647 0.478543 0.241175 0.247540 0.250000 0.3 0.25 1.967448 2.082543 1.124230 1.171123 0.681440 0.698116 0.604195 0.50 1.845234 1.965336 1.009482 1.058531 0.581860 0.599391 0.534447 0.75 1.622908 1.736324 0.859509 0.905896 0.475833 0.492464 0.461284 1.0 1.345505 1.444292 0.695479 0.735922 0.372917 0.387446 0.387456