中文说明：
基于元胞自动机编写的传染病扩散matlab代码，为了运行方便，把所有代码都集中在了一个m文件中，重要部分都带有注释，算法取得了较好的结果，在这里分享给大家。
English Description：
The matlab code of infectious disease diffusion based on cellular automata is compiled. In order to run conveniently, all the codes are concentrated in an m file, and the important parts are annotated. The algorithm has achieved good results, which is shared here.