列主元高斯消去法对于某电路的分析，归结为求解线性方程组RI=V。其中





（1）编制解n阶线性方程组 列主元高斯消去法的通用程序；

（2）用所编制程序解线性方程组 ，并打印出解向量，保留5位有效数；

-Out the main element Gaussian elimination of a certain circuit analysis, reduced to solving linear equations RI = V. Where (a) the preparation of solution of n linear equations set out the main element of the general Gaussian elimination procedure　(2) with the programming solving linear equations, and print out the solution vectors to retain five effective number