vumat案例

使用fluent udf编程，实现水滴在空气中的运动描述。(Use fluent udf programming, to achieve the movement of water droplet in the air.)

巨正则系综蒙特卡罗算法的源程序；可以用来进行吸附等分子模拟；最大的好处在于可以插入或删除原子(Grand canonical ensemble Monte Carlo algorithm source can be used for adsorption, molecular simulation biggest advantage is that you can insert or delete atom)

this source code is use to calculate resister capacitor and inductor

说明：  MATLAB使用欧拉Euler法求解微分方程组 源程序代码(SOURCE PROGRAM CODE OF DIFFERENTIAL EQUATIONS SOURCE SOLUTION USING EULER METHOD IN MATLAB)

甲烷的19步简化反应机理文件，FORTRAN语言编写反应速度(ch4 reaction rate)

分别采用GMM和KDE对Iris数据集进行密度建模，并进行对比。通过EM算法来确定GMM参数，通过交叉验证来确定K值(GMM and KDE respectively Iris data set of density modeling, and compared. GMM by EM algorithm to determine the parameters of K determined by the value of cross-validation)

fortran最优化计算方法常用程序汇编 包括一维最优化部分、无约束优化部分、约束优化部分 0.618法，分数法、二次插值法、三次插值法 共轭梯度法、DFP变尺法（导数）、DFP变尺法（差分）、阻尼最小二乘法、鲍威尔法、模式搜索法、单纯形法 混合罚函数法（SUMT调用DFP）、混合罚函数法（SUMT调用鲍威尔法）、综合约束函数双下降法、可变容差法、复合形法、网格法、随机试验法、解线性规划的单纯形法(fortran optimization calculation method used to assemble Including one-dimensional optimization section, part of unconstrained optimization, constrained optimization part 0.618, fractional method, quadratic interpolation, cubic interpolation Conjugate gradient method, DFP becomes ruler Act (derivative), DFP variable scale method (differential), damped least squares method, Powell method, pattern search method, the simplex method Mixed penalty function method (SUMT call DFP), mixed penalty function method (SUMT call Powell Law), integrated dual descent constraint functions, variable tolerance method, the complex method, grid method, random test, solving linear programming simplex Method)

Compaq Visual Fortran Error Messages，对于利用CVF编程的programmer是本很好的对照手册。(Compaq Visual Fortran Error Messages, programming, programmer for the use of CVF is a very good control of the manual.)

计算任意两个等维矩阵之间对应坐标点的距离(Calculate the distance between the corresponding coordinate points of any two equal dimensional matrices.)

说明：  行人群体疏散仿真的社会力模型，可用于做系统仿真(Social force model for pedestrian evacuation)