摘要
应用何吉欢的变分迭代算法,求解了一类强非线性振动方程.其中一阶近似解已有非常高的精度,并且得到的近似解在全域内一致有效.
The variational iteration method proposed by Ji-huan He was applied to a kind of strongly nonlinear oscillators. The obtained solutions are valid for the whole solution domain,and the first order approximation has high accuracy.
出处
《动力学与控制学报》
2004年第3期6-9,共4页
Journal of Dynamics and Control
关键词
变分迭代算法
非线性微分方程
非线性振动方程
广义拉氏乘子
variational iteration method, nonlinear oscillator, general Lagrange multiplier, period solution