中文说明：信息率失真函数的matlab代码，各种离散信道都可以用这个代码来编程，并且给出了最佳的概率分布，还给出了Dmax,Dmin的求解，希望能帮助到大家。
English Description：
Information rate distortion function matlab code, a variety of discrete channels can be programmed with this code, and gives the best probability distribution, also gives the solution of Dmax, Dmin, hope to help you.