数值分析中的常用方法,包括解方程,列主元高斯消去法解方程组,最小二乘拟合,插值,数值积分等,通过调试,全部可用.-Numerical analysis of commonly used methods, including solution of equations, PCA out Gaussian elimination solution of equations, least-squares fitting, interpolation, numerical integration and so on, through the debugger, all available.