给出了线性方程组的CG法、Gauss_Seidel、SOR、Jacobi、fem求解，-Linear equations given the CG method, Gauss_Seidel, SOR, Jacobi, fem solution

这个程序是用MATLAB编的，是用迭代法实现图像的分割，得到感兴趣区域。-This program is retained by MATLAB，and it uses Iterative method to implement image segmentation and obtain the region of interest。

解线性方程组之迭代法【matlab例程】经典算法直接应用方便快捷-Convenient for solving linear equations of the iterative method [] classical algorithm matlab routines direct application