Research Article

Homotopy Analysis Method for Nonlinear Periodic Oscillating Equations with Absolute Value Term

Table 3

The discrete square residual and the homotopy-approximations of frequency in the case of by the rd-order homotopy-iteration approach with normal initial approximation and the optimal convergence-control parameter .

, iteration times

0.88960
1.16473
1.16042
1.15628
1.15614
1.15614