A class of singular perturbation of nonlinear boundary value problem for integral differential equation involving two parameters is considered.

考虑了一类关于两个参数的微分积分方程非线性边值问题的奇摄动。

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This paper also gives the differential equation of the nonlinear vibration model, and obtains its asymptotic solution by means of singular perturbation methods.

文中给出了这一非线性振动模型的微分方程，并用奇异摄动法求得了渐近解。

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I tackle the perturbation problem of the nonlinear Schrodinger equation because of its importance.

本人首先用此方法处理了自散焦非线性薛定谔方程的孤子微扰问题。

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