中文说明：对于初学者具有参考意义，包括随机梯度算法，相对梯度算法，LDPC码的完整的编译码，验证可用，到达过程是的泊松过程，主要是基于mtlab的程序。
English Description：
For beginners with reference significance, including the random gradient algorithm, the relative gradient algorithm, LDPC code complete code, verification is available, the arrival process is Poisson process, mainly based on the MTLAB program.