P63_Sim_Eqn_Tridiagonal

卡尔曼滤波的MATLAB程序，用来解决相关的函数的问题的(Kalman Filter MATLAB procedures, to solve the problems related to the function of)

基于VC_和MATLAB混合编程绘制三维图形(VC_ and MATLAB mixed programming based on three-dimensional graphics rendering)

经典的MATLAB计算程序,包括插值拟合与规划,回归分析,绘图和解方程等,相当实用.(Classic MATLAB computer program, including the interpolation fitting and planning, regression analysis, mapping of reconciliation equation and so on, very useful.)

说明：  TSP问题蚁群算法通用Matlab程序源码(Ant colony algorithm for TSP problem common Matlab source code)

Make the Huffman-tree from the lengths of the Huffman codes. The Huffman codes are also needed, and if they are known, they can be given as an extra input argument.

This code is filtering noise in image with median filter.

说明：  matlab入门的基础知识,很好用的,看完后你就懂了(Introduction to the basics of matlab, very good use, you will get it after reading)

在做优化的时候，起初选择了GA算法，但是GA的不稳定性（或者陷入局部最优）实在让人抓狂，前后两次的结果相差竟然有时候能达到30 以上，当时由于时间的原因，我只好选择了优化1000次，然后以其中的最小值最为最佳方案。虽然问题也算解决了，但是从学术上将，这种奔方法是让人很尴尬的。所以，我从网上下载了一个GA－PSO算法，试着利用GA和PSO组合的策略进行优化，结果算法很问题，效率和不错。我下载原始算法，有一个问题就是它是针对所有的设计变量上下限都是一样的，所以我对程序进行了修改与改进，现在可以处理上下限不一致的问题，同时fix了一些bug。现在把修改后的程序和大家分享一下，希望能对您有用.注意myfit需要用自己的函数，否则出错，因为我的myfit程序在调用过程中，需要使用matlab的Kriging工具箱 (a optimization method combining GA and PSO)

该论文介绍了电磁场积分方程的无网格数值计算方法，传统的体积分数值计算都需要进行网格剖分，网格剖分的好坏直接影响着数值计算的速度和精度，很多精细结构很难用网格来模拟，无网格技术可以很好地解决此类问题！(This paper describes the meshless numerical method electromagnetic integral equations, numerical integration of traditional body calculations require meshing, meshing a direct impact on the speed and accuracy of numerical calculation, many very fine structure difficult to simulate with the grid, no grid can solve this problem!)

Test for LIU12 chaotic map image encode/decode algorithm. A-RGB-image-encryption-algorithm-based-on-DNA-encoding-and-chaos-map_2012_Computers-and-Electrical-Engineering paper