摘要
利用摄动理论的直接展开法,研究了超越方程εx5+asinx+bcosx-c=0,较简捷地得出了方程的近似解.
By using the direct expanding method of the perturbation theory, the author discusses the transcendental equation εx5＋asinx＋bcosx-c=0, by which he obtains the approximate solutions of perturbation equation simply and conveniently.
出处
《湖州师范学院学报》
2005年第2期30-31,共2页
Journal of Huzhou University
基金
浙江省教育厅科研基金资助项目(20030594)
关键词
超越方程
摄动
渐近展开式
近似解
transcendental equation
perturbation
asymptotic expansion
approximate solutions
