In this paper, by using matter element theory, a method which can transform non-concordantly conjugatesystem of matter elements into concordantly conjugatesystem of matter elements is discussed.
应用物元理论，给出了把非协调物元共轭系统转化成协调物元共轭系统的一种方法。
2
Conjugate gradient method were choosed to solve the large sparse matrix equations induced by the FEM and computer language FORTRAN was used to programme the numerical simulation system software.
选择共轭梯度法解决由有限元法形成的大型稀疏矩阵方程，应用FORTRAN语言编制了数值模拟系统软件。
3
The numerical results show that, the conjugate gradient method can solve the absorption coefficient well in one dimensional system.