matlab的追赶法，追赶法是适用于三对角矩阵的线性方程组求解的方法，并不适用于其他类型矩阵，及matlab的gauss求解方程方法，牛顿插值法，拉格朗日插值法。-matlab chasing method chasing method is applicable to the tridiagonal matrix method for solving linear equations, does not apply to other types of matrix and matlab gauss solving equations method, Newton interpolation, Lagrange interpolation.