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This is an efficient implementation of PCA, which use smaller dimension of the data matrix to compute the eigenvectors

Correct pitch using the Time Shifting algorithm.

数字水印DCT算法设计，可以进行优化，希望大家一起将程序优化(DCT digital watermarking algorithm designe，it can be optimized and I hope that everyone can work together to optimized it.)

实现了erlang公式的计算，可通过任意两个已知变量求出另一个，有良好的GUI。(The calculation of Erlang realized the formula, which can pass any two known variables can be another, has a good GUI.)

Matlab7 教程，中文版，可快速掌握MATLAB 7.(Easy master Matlab7)

rmdemo_winform.rar rmdemo_winform.rar

MVAcauchy plots three probability density functions (left) and three cumulative density functions (right) of the Cauchy distribution with m = 0 and different scale parameters (C1 stands for a Cauchy distribution with s = 1, etc).

多尺度图像处理，包括边缘检测等，matlab分模块函数编写(multiscale image processing，inculding edge detecting by matlab)

对于一阶系统辨识，分别采用LMS、RLS、仿射投影算法来估计参数(For a first-order system identification, respectively, using LMS, RLS, affine projection algorithm to estimate the parameters)

bicubic.m bilinear.m nearest.m多媒体实验m文件 用matlab软件实现(bicubic.m bilinear.m nearest.m)