毕设使用的isodata 迭代自组织的数据分析matlab开发代码

说明：  该程序用有限元方法来处理标量亥姆赫兹方程，其实例是脊形介质波导中的光波。(The functino of the code is to slove Helmholtz equation by using finite element method (FEM). The example is an optical waveguide.)

Legendre polynomial fitting(勒让德多项式拟合) 该算法程序找出N阶勒让德多项式你的的权值系数 (Legendre polynomial fitting (Legendre polynomial fitting) procedures to identify the algorithm N-order Legendre polynomials your weight coefficient)

优化计算中的无约束一维极值算法minFBNQ(Unconstrained optimization of one-dimensional extreme value method minFBNQ)

说明：  垂直阵测量误差分析及甚宽频带恒定束宽性能，吴国清的论文(Vertical array analysis and measurement error is very broadband constant beamwidth performance, Wu Guoqing papers)

Bat-inspired algorithm is a metaheuristic optimization algorithm developed by Xin-She Yang in 2010. this is the demo of bat algorithm

在Matlab中编写了有向图算法的调用函数(The calling function of directed graph algorithm is written in Matlab)

viterbi译码的matlab实现,提供相应的原程序代码(viterbi decoder matlab implementation)

应用背景可用于灰度图像或彩色图像的去噪处理，采用多种去噪方法对图像进行处理，并计算处理后图像的MSE进行评价。关键技术Donoho阈值，Birge-Massart策略，及软阈值或硬阈值函数，半软阈值，改进的半软阈值，自适应特征阈值函数，均值滤波和中值滤波等多种去噪方法。

牛顿迭代法，用于求解非线性方程，具体使用方法见程序内部说明。(Newton iteration for solving nonlinear equations, the specific use of the procedure see the internal note.)

基于对数的光照自适应算法 光照补偿,对于光照较暗和较亮，能够进行自动判断。自动补偿光照。(Logarithmic light based on adaptive algorithm of illumination compensation, for the light brighter and darker, and can automatically judge. Automatic compensation of light.)