中文说明：
用于matlab模拟透镜的光线追迹，可以更改程序中的相关参数模拟任意面型的透镜对光线的聚焦或发散效果。
English Description：
It can be used to simulate the ray tracing of lens with MATLAB, and the relevant parameters in the program can be changed to simulate the focusing or divergent effect of lens with arbitrary surface