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Applied Mathematics and Mechanics

, Volume 23, Issue 6, pp 634–638 | Cite as

A note on delta-perturbation expansion method

  • He Ji-huan
Article

Abstract

The Delta-perturbation expansion method, a kind of new perturbation technique depending upon an artificial parameter Delta was studied. The study reveals that the method exits some advantages, but also exits some limitations. To overcome the limitations, the socalled linearized perturbation method proposed by HE Ji-huan can be powerfully applied.

Key words

perturbation method artificial parameter nonlinear equation homotopy 

CLC number

O242.2 

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Copyright information

© Editorial Committee of Applied Mathematics and Mechanics 1980

Authors and Affiliations

  • He Ji-huan
    • 1
    • 2
  1. 1.LNM, Institute of MechanicsChinese Academy of SciencesXhanghaiP R China
  2. 2.Shanghai Institute of Applied Mathematics and MechanicsShanghai UniversityShanghaiP R China

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