高斯消去法解方程组-Gaussian Elimination System Solutions

原创的线性方程组求解程序，包括Jacobi迭代，高斯消去法，Gauss-Seidel迭代三种求解算法。-Original procedure for solving linear equations, including the Jacobi iteration, Gauss elimination method, Gauss-Seidel iterative algorithm three.