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用单神经元的不完全微分PID控制，比不完全微分有更好的算法。本程序得到的结果比较好，给出的程序比较详细。(bp control)

特别功能测试样例测试程序，为保障有效运行，请注意安装环境软件的版本正确与否(special function test program )

哈弗曼编码(huffman code)的通信系统中的仿真(huffman code loseless)

％例15-1 NaN数据参与分析 a = magic(3) a(2,2) = NaN ％用NaN表示遗失数据 sum(a) ％对数据集进行求和( Example 15-1 NaN data involved in the analysis a = magic (3) a (2,2) = NaN missing data with NaN express sum (a) of data sets summation)

降压dc变换器输出功能仿真，根据可控晶闸管调节电压的压降，实现降压电路，采用pwm波控制。(buck DC Converter)

wire less communication

lfm chirp dechirp demo of chirp signal

说明：  关于信号输入均匀量化器的信号幅度，用MATLAB实现量化过程(Uniform quantizer on the input signal amplitude, using MATLAB to quantify the process of achieving)

generates a biometric template from an iris in an eye image.

Companion code for Fitting Survival Probability Models article