pca

说明：  采用身高和体重数据作为特征，分别假设二者相关或不相关，在正态分布假设下估计概率密度，建立最小错误率Bayes分类器，写出得到的决策规则，将该分类器应用到训练/测试样本(Bayes classifier is the most classic! Minimize the classification error. With the matlab language, with examples)

文件夹中包含了一些有关matlab的相关资料，简单易懂，非常适合初学者学习(Folder contains some relevant information related to matlab, simple to understand, very suitable for beginners to learn)

定义一个描述电视的CTelevision类。类中包含电视品牌(p_brand，使 用指针类型)、当前频道(channel，一共500个频道)和当前音量(volume， 最大30)等数据成员。要求提供缺省以及带参构造函数，以及输出对象信息 方法。(A class definition television CTelevision description. Class contains TV brands (p_brand, so Pointer type), the current channel (channel, a total of 500 channels) and the current volume (volume, Maximum 30) and other data members. Requirements and provides a default constructor with parameters, and output object information Methods.)

Handwritten digit recognition algorithm code with matlab.

说明：  用MATLAB编写的人脸检测算法，学习模式识别的朋友可以参考(MATLAB写惴ㄑ耗?式 识 芽 圆 慰)

说明：  svr源程序，输入到matlab中进行svr回归模型建立与分析(SVR source program, input into matlab SVR regression model establishment and analysis)

时频分析工具，经典工具箱，包括短时傅里叶变换等实用函数 (Time-frequency analysis tools, classic toolbox, including the short time Fourier transform and other utility functions)

经典music算法对一维水声信号进行处理的matlab程序，多注解菜鸟版。(Classical music algorithm for one-dimensional underwater acoustic signal processing matlab program, to comment rookie version.)

通过PCM脉冲编码调制、恢复、量化、译码等过程实现A律十三线折线近似的仿真(Through the PCM pulse code modulation, recovery, quantification, A-law decoding process to achieve such a line similar to the simulation of thirteen lines)

如题，很简单的小工具，信噪比snr和均方mse的MATLAB代码。(As topic,a very simple tool, SNR and MSE MATLAB code.)