Research Article
An Effective Solution of the Cube-Root Truly Nonlinear Oscillator: Extended Iteration Procedure
Table 2
Comparison of the approximate frequencies with exact frequency
of
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| Amplitude A | Error (%) | Error (%) | Error (%) | Error (%) | Mickens iteration method [25] | 6.3 | 6.78 | 14.38 | — | Mickens HB method [25] | 13.7 | 2.9 | — | — | Adopted method | 3.43 | 0.67 | 0.29 | 0.12 |
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