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数据挖掘讲义第六章聚类分析,PDF文件大小约520K(Data mining handout Chapter 6 clustering analysis, PDF file size is about 520K)

石墨烯量子态密度计算，采用紧束缚近似以及薛定谔方程，计算态密度(Graphene quantum state density calculated using the tight-binding approximation and the Schrodinger equation to calculate the density of states)

工具箱 (粗糙集数据分析工具箱) matla 中使用 (Kit (Rough Set Data Analysis Toolbox))

生成指定两个数值间的多个随机数，随机数的个数用户自己输入，结果放在动态数组中(produce random)

C++实现的FFT，详细，简单，内含多个测试类(using C++ implements fft，including serials class)

矩阵计算英文版第4版，经典，经典，很不错！！！！！请下载！！！！！！(Matrix Computing English Version 4, classic, classic, very good!!!! Please download!!!!!!)

这是一个数组练习，程序的作用是查询一个一维数组（数值型数组）中每一个元素出现的次数，且元素出现的顺序不能改变(This is an array of exercises, the program' s role is to query a one-dimensional array (numeric array) in the number of occurrences of each element, and the element can not be changed in order of appearance)

说明：  levenberg-maquardt最小二乘拟合算法(This program do the levenberg-maquardt LS fit.)

一维热传导方程的求解，包括显式和隐式，及其对比(One-dimensional heat conduction equations, including explicit and implicit, and the contrast)

采用中心差分法，基于蛙跳法计算流体动力学问题(using central-time central-space and leapfrog programe for CFD simulation)