Comment on 'He's frequency formulation for nonlinear oscillators'

被引：95
|
作者：
He, Ji-Huan [1 ]
机构：
[1] Donghua Univ, Modern Textile Inst, Shanghai 200051, Peoples R China
来源：
EUROPEAN JOURNAL OF PHYSICS | 2008年 / 29卷 / 04期
关键词：
D O I：
10.1088/0143-0807/29/4/L02
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
Geng and Cai suggested a modified He's frequency-amplitude formulation for nonlinear oscillators ( Geng and Cai 2007 Eur. J. Phys. 28 923-31). We point out the accuracy of both the original one and the modified version depends upon the chosen location point, and so far we have no general rule for the location choice. The method of weighted residuals is suggested to overcome the shortcoming.
引用
收藏
页码：L19 / L22
页数：4
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