4poles0zeroes

this code is used to form the ybus admittance matrix of a power system

此程序是用来计算HRV的非线性参数：分形维数和近似熵(The program is used to calculate HRV nonlinear parameters: fractal dimension and approximate entropy)

关于高阶累积量时延估计方法的研究，本代码描述的是三阶累积量，广义相关法，进行了两者性能相关的比较，最终能求得试验估计值，比较出两者的性能。(The cumulative amount of higher order time delay estimation method studies, the code describes the third-order cumulant, generalized correlation method were compared between the two performance-related, the final test estimate can be obtained, to compare the performance of both.)

PcA和Fisher方法的人脸识别,希望对大家有用，(PcA Fisher and methods of face recognition, we hope to useful,)

超宽带通信系统发送使用BPSK调制 适合于CM3和CM4信道(UWB communication system using BPSK modulation for sending CM3 and CM4 channel)

the book describes the object oriented feature in matlab programming language in detail, and discuss how to programming in object oriented matlab.

《MATLAB神经网络30个案例分析》中的第21个例子，案例21 LVQ神经网络的分类——乳腺肿瘤诊断。希望对大家有一定的帮助！(The MATLAB neural network analysis of 30 cases of example, 21 cases of 21 LVQ neural network classification of breast cancer diagnosis. Hope to have certain help to everybody! )

利用matlab的gui设计的带有输入和输出功能的界面图形，实现等距线可视性很强，自己独立编写的数据和图形，学习非常值得,实现pca svm压缩图像，matlab语言(Using GUI of MATLAB to design interface graphics with input and output functions, realizing the visibility of isometric line is very strong, the data and graphics written independently by oneself are very worthwhile to learn, and realizing PCA SVM compressed image, MATLAB language)

说明：  MATLAB的课件，大学上课老师的课件，是ppt形式的，比较全面。(MATLAB courseware, courseware University of class teachers)

code for Color Quantization