中文说明：迭代法也称辗转法，是一种不断用变量的旧值递推新值的过程，跟迭代法相对应的是直接法，即一次性解决问题。迭代法又分为精确迭代和近似 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报
English Description：
Iterative method, also known as rolling method, is a process of recursing new values from the old values of variables. Corresponding to iterative method, it is direct method, that is, solving problems at one time. Iterative method is divided into exact iteration and approximate iteration