fit_ellipse

利用函数实现图像滤波以及采用两种不同的方法生成一个2-D滤波器并设计一个截止频率为0.5的理想低通滤波器(Image filtering in two diffferent way and simulate a low-passfilter.)

说明：  刚刚接触图像检索的同学，对基于特征的图像检索还没有什么概念，利用这个小的程序（里面附有图像和实例）感受一下过程，对于继续研究很有帮助。(Contact with students just image retrieval, the feature-based image retrieval has no concept of, take advantage of this little program (inside with images and examples) feel the process and continue to study for the useful.)

Use shading to represent secondary information of an image(Use shading to represent secondary inform ation of an image)

数学建模公交线路问题 该程序利用迪杰斯特拉算法经行求解，使用该代码前最好先阅读Readme.doc(Bus lines mathematical modeling problem using Dijkstra algorithm for the program through the line solution, a good idea to use the code to read Readme.doc)

采用滑模控制对LORENZE混沌系统进行抑制(Sliding Control To Lorenze Chaos system)

对于地震勘探中出现的速度谱进行分类和处理(For seismic velocity spectrum appears in the classification and treatment)

heuristic optimization

1.本书在MATLAB环境下实现了各类PID控制算法,具有很强的工程参考价值. 2、将光盘中的仿真程序复制到硬盘MATLAB运行的路径中，便可仿真运行。 3、本书算法在MATLAB 5.3版下运行成功，并适用于其他版本。 (1. This book has all kinds of MATLAB environment to achieve PID control algorithm, has a strong engineering reference value. 2, CD-ROM in the simulation program will be copied to the hard disk to run the path of MATLAB, the simulation can be run. 3, the book version of algorithm in MATLAB 5.3 running under success, and apply to other versions.)

详细介绍了自回归技术公式,同时采用此技术模拟具有空间相关性的随机风荷载,给出了用自回归技术模拟脉动风荷载的步骤以及具体 MATLAB程序(In this paper, the technology of autogressivemodel is introduced. Stochasticwind loadingw ith time and spatial correlation is generated by the autogressive-type simulationmethod, giving autogressive-type simulation process andMATLAB program)

点源定通量地下水污染物非稳定迁移计算程序,程序内有中文说明。(point source pollutants given steady migration flux calculation procedures)