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iBatis简单入门教程.简单描述了一个简单demo的书写.(iBatis Tutorial.A brief description of writing a simple demo.)

数值微分精度及步长的关系，截断误差和舍入误差，体会误差对结果的影响，用算法1 和算法2 分别得到的结果进行比较，由Taylor公式可得到两种算法的截断误差(Accuracy of numerical differentiation and the relationship between step length, truncation error and rounding error, the error on the results of experience with algorithm 1 and algorithm 2 respectively, to compare the results obtained by the Taylor formula for the truncation error of two algorithms available)

FDTD三维场的叠加画图显示，很不错的程序。希望对大家有用!(Superposition of three-dimensional field FDTD drawing shows a very good program. Hope it useful!)

Arrange figures on the screen like what subplot does, except that you can maximize each figure and have a better zoom. Strongly Recommended ... Written by: Hamid Shiri

用matlab编程做的《有限元法基础与程序设计》第二章的例子 方法三(FEA matlab )

C4.5的matlab实现，并且进行了详细的注释，并进行了有序化处理(C4.5 matlab realize, and conducted a detailed notes, and conducted an orderly processing)

说明：  基于主成分分析(PCA)的人脸识别系统。(Based on principal component analysis (PCA) of face recognition systems.)

说明：  模拟退火算法，解决旅行最短路径问题，matlab程序(Simulated annealing algorithm to solve traveling the shortest path problem, matlab program)

contourlet工具包，属于超小波分析里头的contourlet变换的m文件(contourlet kits are super wavelet analysis inside the contourlet transform m file)

Buck Boost converter Bidirectional DC/DC for application charging and discharging of battery