数值分析非线性方程求解（五种方法）。分析牛顿法、割线法、对分法、Steffensen法、简易牛顿法解线性方程组的性质-Numerical analysis of nonlinear equations (five methods). Nature of the analysis of Newton, secant, bisection method, Steffensen method, simple Newton method for solving linear equations

简易牛顿迭代法小程序，方便广大数值计算算法爱好者，精度自定。(Simple Newton iterative method)

五种迭代法解------非线性方程求根 分别采用了牛顿法、简易牛顿法、史蒂芬孙迭代法、二分法和割线法(The iterative method for solving nonlinear equations.)