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将水印嵌入并提取的matlab程序，并可进行演示(The watermark embedding and extraction matlab procedures, and demonstrated)

This code would calculate the approximate root of any polynomial using Newton Raphson Method

Good matlab book, for especially starters.

FRFT MATLAB PROGRAM IT IS VERY IMPORTANT

先进PID控制MATLAB仿真（第3版）/刘金琨-中第二章仿真程序(MATLAB simulation of advanced PID control (3)/Liu Jinkun- in Chapter II emulator)

说明：  EM算法作为机器学习的经典算法，本算法为EM源程序，陪带实验(EM algorithm as the classic machine learning algorithms, the source of the EM algorithm, to accompany with the experimental)

说明：  这是一个小波变换处理语音信号的matlab程序，用于语音去噪(This is a wavelet transform voice signals in the Matlab procedures used for voice denoising)

MATLAB对数字信号进行均值滤波，尤其是对数字图像(MATLAB for digital signals mean filter, especially for digital images)

gauss siedel sistemas de ecuaciones

a matlab code for dipole radiating in free space using FDTD