neural-network-theory-and--code

用互相关原理实现控制系统的频率特性测试仿真，供大家参考。谢谢！！(Using the principle of inter-related control systems achieve the frequency characteristics of the test simulation, for your reference. Thanks! !)

这是机械工业张德丰《MATLAB与外部程序接口编程》随书源码，这本书详细介绍了MATLAB与C、C++、Excel、VB、Delphi、FORTRAN相互调用的方法，使得我们可以综合利用传统编程语言执行效率高和MATLAB函数库功能强大的优势，本书对于MEX和MAT文件、MATLAB引擎、MATLAB C/C++函数库、Matcom等都作了详细的介绍并举例说明，书籍最后还介绍了MATLAB的串口接口。(This is the machine-building industry张德丰" MATLAB and external program interface programming" with the source book, this book details MATLAB with C, C++, Excel, VB, Delphi, FORTRAN calls each method, allows us to provision of comprehensive utilization of traditional efficient way to implement the language and MATLAB function library powerful advantages, this book MEX and MAT files for, MATLAB engine, MATLAB C/C++ function library, Matcom have made a detailed introduction and examples, the book also introduced the final MATLAB serial interface.)

哈夫曼码编码用MATLAB实现，此法经过检验效果非常好。(Huffman coding using MATLAB implementation, this method is proven very successful.)

Capon形成器，对多频信号进行插值处理得到较好的波束形成效果(Capon forming device, interpolation processing of the multi-frequency signal to get a better beam-forming effect)

matlab画图的使用方法，简单的画一些图形。(matlab drawing to use a simple painting some of the graphics.)

generating maximum legnth sequence bu determining the generator function and initial condition

2014年全国研究生数学建模竞赛D题第三、四问：果蔬分配问题-规划问题。( 2014年全国研究生数学建模竞赛D题第三、四问：果蔬分配问题-规划问题。 The research of mathematical modeling contest D title in 2014 third, four Q: fruits and vegetables allocation problem- Programming problem.)

说明：  矢量网络法散将射参数转化为介电常数 本代码计算需要的输入值为：d(超材料厚度方向的周期常数)，f(频率的变化范围)，S(通过CST或HFSS软件计算得到的散射参数)(The vector network dispersion transforms the radiation parameters into the dielectric constant Input values required for calculation in this code are: D (periodic constant in the direction of metamaterial thickness), F (range of frequency variation), S(scattering parameters calculated by CST or HFSS software))

递归遗传算法，可以非常有效的对神经网络的结构和初始权值进行优化。(Recursive genetic algorithm, can be very effective on the neural network structure and initial weights are optimized.)

该算法是用正交多项式来求最小二乘拟合多项式。(This algorithm is to use orthogonal polynomials to seek least-squares polynomial fitting.)