PCA_Program

通过修改图像像素值的后4低位比特，实现随机0～1序列水印信息的嵌入(Modify the four low bit， accomplish embedding random 0～1 watermark sequence. )

performance evaluation

SOR法求解病态线性方程组的MATLAB源代码(SOR method for solving ill-conditioned linear equations MATLAB source code)

dynamic voltage restorer by dq0 control system

non-local means filter 用于去噪，里面的矩阵操作编写的代码，速度比较快(non-local means filter for noise removal, inside the matrix manipulation code written faster)

使用粒子群算法解决优化问题，该算法有全局搜索和局部搜索能力，方便快捷。(Particle swarm algorithm to solve the optimization problem, the algorithm global search and local search capability, quick and easy.)

Orbit of a nonlinear system (including Hopf Bifurcation), γ= -1,..,1, μ= -0.5,..,3

此程序可用来对二维光子晶体带隙结构进行模拟绘图(This procedure can be used to two-dimensional photonic band gap structure to simulate the drawing)

说明：  MATLAB代码，包含三种有用代码源程序，对于数学建模很有帮助，里面有详细的介绍(MATLAB code, source code contains three kinds of helpful, useful for mathematical modeling, which has detailed description)

数学建模1998年B题，有关灾情巡视的Matlab程序，是图论方面的问题(B 1998, issue of mathematical modeling, the disaster visited the Matlab program, is graph theory problems)