摘要
本文研究了形如¨θ+N∑n=0anθn=0的非线性微分方程,给出一种可以求解这类方程的迭代方法。并将物理学中单摆运动方程,通过适当的变化成为上述方程的形式,从而利用迭代法求解。
A differential equation in physics such as θ＋^N ∑n=0（an θ^n）=0 is studied, and an iteration method for solving nonlinear problem is given. The method is used to solve the motion equation of single pendulum.
关键词
非线性问题
迭代算法
数值解
nonlinear problem
iteration method
numerical solution
