用c++语言在VC环境下编制的形成导纳矩阵的程序，可以用来添加到潮流计算程序中，节省编制时间。-With c++ Language VC environment in the formation of the preparation procedures for admittance matrix can be used to add to the trend of the calculation process, saving preparation time.

利用MATLAB负折射率材料 导纳矩阵法-Negative refractive index materials using MATLAB admittance matrix