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在基本pso的基础上做改进，引入de算法，高精度实现pso算法的寻优。(On the basis of the basic pso make improvements, the introduction of de algorithm, pso algorithm to achieve high-precision optimization.)

A modification to boxplot that shows the hierarchical relationships between the grouping variables

The function translates from labels of a binary tree to corresponding rows (R) and columns (C) of a 2 dimensional matrix storing the tree according to predefined convention, given below. The storing matrix preserves the fractal-like topology of the tree.

function for the PSO ALGORITHM

说明：  自适应共振理论网络 用来进行模式分类联想记忆效果很好，误差率极低，能正确识别(Adaptive Resonance Theory networks used for pattern classification associative memory with good results, the error rate is very low, able to correctly identify)

包含霍夫曼编码，算数编码，LZ编码以及GUI界面(Include Huffman coding, arithmetic coding, LZ coding and GUI interface)

一篇关于Insar相位展开的文章，对面分析和各种经典算法和最前沿的算法比较(An article on the Insar phase of the article, the opposite analysis and a variety of classical algorithms and the most cutting-edge algorithm)

matlab中读取视频文件,介绍各种视频文件的读取方法。(matlab to video files)

二维空间中的多边形逼近。确定三个顶点a，b，c并且其函数值按从小到大排列。将二维空间中的多边形三个顶点的函数值按从小到大顺序排列， 判断三点或三点函数值的距离是否小于给定阈值.若小于阈值停止循环，得最优解x0=a(Two-dimensional space polygon approximation. Determine the three vertices a, b, c and its function value in ascending order. The three-dimensional space polygon vertices function values ​ ​ in ascending order, function to determine the three o' clock or three values ​ ​ of the distance is less than a given threshold and if less than the threshold value to stop loop, get the best solution x0 = a)

说明：  有关绘图的matlab实现源代码，希望给大家带来帮助。(Drawing on the matlab source code, hope to bring you help.)