追赶法是求解三对角方程组的一种方法，主要用与求解大型的三对角方程，在很多方面都可以用到，以上为追赶法的Ｃ语言程序实现-Catch-up method is for solving tridiagonal equations a method mainly used for solving large-scale and tridiagonal equations, in many respects, can be used, the above method to catch up with t