摘要
借助双变换法及求导法则,给出一类四阶非线性微分方程,具有某种形式的解的充要条件,所得结论是对有关文献结果的深化与推广.
By means of dual variation method and deviation method,this paper gives one kind of four order nonlinear differential equation and sufficient conditions for some kind of solutions.The conclusion is drawn for amplifications and references.
出处
《长沙大学学报》
2003年第4期15-17,共3页
Journal of Changsha University
关键词
四阶
非线性微分方程
双变换法
充要条件
通解
four order
nonlinear differential equation
dual variation method
sufficient conditions
general solution
