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 .


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