5个程序包括1，用高斯消去法解线性方程组的算法程序；2，判断k之前的质数并输出；3动态建立多维数组；4，利用点类进行线性拟合；5改进后的人员信息管理系统-Five programs include 1, with the gaussian elimination method of solving linear equations algorithm procedures 2, the prime Numbers and before judge k output 3, dynamic mu