本程序用来求解数值分析中的非线性方程组。非线性方程的解析解通常很难给出，因此线性方程的数值解法就尤为重要。本实验采用两种常见的求解方法二分法和Newton法及改进的Newton法。-This procedure is used to solve the numerical analysis of nonlinear equations. Analytical solutions of the nonlinear equations are usually difficult to give nu