errcodingctrl

useful for nn beginner for the basic understanding

说明：  通过比较自编MATLAB 的k-means 算法程序和SPSS 中自带的k-means聚类工具，对两个数据集聚类，并分析了聚类结果。(By comparing the k-means algorithm program of self-compiled MATLAB with the K-means clustering tool of SPSS, two data sets are clustered and the clustering results are analyzed.)

matlab在27种问题中的应用包括 等切面曲线和相似曲线 旋转网球的轨迹 道路照明问题 计算平面日晷等 (matlab 27 kinds of problems in the application of such section, including rotation curve and the curve similar to tennis, track lighting and other problems of plane sundial)

bp神经网络通用预测程序，matlab2009编写，可直接输入数据。(bp neural network forecasting process common, matlab2009 preparation, can be directly input data.)

DTMF 系统的matlab实现，发送电话11位电话号码在接收端识别。(DTMF system matlab realize, send telephone 11 telephone numbers identified on the receiving end)

This code simulates Distance Vector Routing protocol used for routing in communication networks

生成白噪声信号：包括采样频率，最大和最小频率，时间长度，幅值等要求的信号。(Generated white noise signal: including sampling frequency, maximum and minimum frequency, duration, amplitude and other requirements of the signal.)

SourceCode project in data management system

这是用MATLAB写的一个CS算法的列子，希望对大家有用，(This is used to write a MATLAB algorithm CS Liezi hope everyone useful,)

说明：  提出了一种改进高阶Butterworth低通滤波器性能的设计方法。首先对高阶Butterworth低通滤波器的极点 进行重新分布，得出改进型Butterworth低通滤波器。性可以由其在基波电压初相位为零时的特性所唯一确定(Periodic voltage and current waveforms on the start time of its corresponding harmonic component of the relationship between the initial phase of research, pointed out that the characteristics of harmonic sources can be its initial phase in the fundamental zero-voltage characteristics of the CD a definite)