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实现一个函数编写的程序，通过符号计算求出f函数的导数 (Written procedures to implement a function, obtained by symbolic computation function, the derivative of f)

beamforming codebook design for MIMO system

通过matlab程序实现，对YUV视频序列进行播放(By matlab program, YUV video sequence for playback)

北大医学部（医学统计学）的课件，里面重点讲解实验数据统计，方差分析，相关与偏相关等方法，这是不确定性实验数据统计必修方法，使用matlab的同学有福了。(PUHSC (Medical Statistics) courseware, which highlight the experimental statistics, analysis of variance, correlation and partial correlation method, which is the uncertainty of experimental data statistics compulsory methods, the use of matlab student blessed.)

计算LDPC码理论性能的MATLAB程序,有例子说明,对通信系统设计很有帮助!(Calculation of theoretical performance of LDPC code MATLAB procedures have examples to illustrate the communication system design helpful!)

For MDI Applications. It will be helpful.

C# code for software engineer and student who want to learn

本文件夹叙述了电网K次谐波计算的推导过程，并提供MATLAB仿真文件验证计算的正确性，可以使用的仪器或设备谐波检测(本文件夹叙述了电网K次谐波计算的推导过程，并提供MATLAB仿真文件验证计算的正确性，可以使用的仪器或设备谐波检测 This file describes derivation calculation K power harmonics, and provide correct MATLAB simulation file verification calculation, can detect instrument or equipment harmonics using )

说明：  SOM算法,matlab程序,是经典的教科书的例子程序(SOM algorithm, Matlab procedures, are classic textbook example of procedures)

轴承故障诊断程序，其中有数据，结果分析，matlab算法。(Fault diagnosis program for bearing,Including data and results analysis.)