Certainly, each investigator of differential equations has his experience and his sympathy to methods but the choice of the method depends on form of the nonlinear differential equation and the pole of its solution.
当然地，微分方程的每一个研究者有他的经验以及方法上的一致，但是选择方法取决于非线性微分方程的形式和其解决方案的极值。