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用Matlab实现完全重构双通道滤波器组，用matlab自带函数库实现(Using Matlab to achieve perfect reconstruction two-channel filter banks, the library comes with a matlab implementation)

说明：  车牌识别matlab环境下实现的源代码，对于初学者有很好的借鉴作用，也可直接应用到工程中(License Plate Recognition matlab environment to achieve the source code, for the beginners have a good reference can be directly applied to engineering)

本函数用于生成自然数环形矩阵，从里到外是0>n.编写者中北大学09级学生闫**。(This function is used to generate a circular matrix of natural numbers, 0> n from the inside to out. Yan** 09 North University students is the writers has full copyright. )

Histogram Matching(Image processing) the Algorithm Properties: - User can insert his/her desired histogram -user can input the desired Colored/Gray Scaled Image -Original/Enhanced Image Their histogram and transfer function are displayed -all the above again done by iterative Scheme (eq. 3.3-17 Gonzales Book)

说明：  输电网9节点区间潮流计算程序，修改数据可用(IEEE 9 interval power flow)

matlab小波分析的程序，实现与傅里叶变换的对比(matlab wavelet analysis procedures to achieve contrast with the Fourier transform)

minimum-volume enclosing simplex

说明：  matlab的二维FDTD程序,PML边界(matlab two-dimensional FDTD program, PML boundary)

计算最小生成树，求解最短距离问题,matlab程序代码（注：不是只是两点之间最短路径，不是遍历问题）。(solve the problem of the shortest path.)

增量式PID控制，Matlab仿真PID算法，算法原理、算法实现(Increment PID Controller)