牛顿法（Newton s method）又称为牛顿-拉夫逊方法（Newton-Raphson method），它是一种在实数域和复数域上近似求解方程的方法。方法使用函数f(x)的泰勒级数的前面几项来寻找方程f(x) = 0的根-Newton (Newton s method), also known as Newton- Raphson method (Newton-Raphson method), it is a real number domain and complex field approximation method for solving equations. Ways to use function f (x) the Taylor series in front of several to find the equation f (x) = 0 root