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说明：  复合材料层内基于断裂韧性退化的VUMAT子程序(VUMAT subroutine based on fracture toughness degradation in composite laminates)

简单的滤波代码，包含高通滤波，低通滤波，带通滤波和带阻滤波。( U7B80 u5E5 u6E4 u6E4 u6E1 u6E1 u6E2 U5E26 u963B u6EE4 u6CE2 u3002)

Dsimplex.m 对偶单纯形法求解线性规划问题(Dual simplex method for solving linear programming problems)

王勖成的《有限单元法》资料包，包括pdf书籍、课后习题答案以及有限元分析教学程序FEATP源码！(The package of finite element method by Wang Xucheng, including pdf books, after-school exercise answers and finite element analysis the teaching programFEATP source!)

说明：  使用C++写的一个可以自动(在运筹学领域)计算单纯形表，并打印每一步的运算结果(a simple code to compute simplex table in operating research and print out the result of each step.)

对数据进行统计分析，并打开图形数据统计分析对话框，该对话框可以获得数据的最小值、最大值、平均值、中值以及均方差等。 (Statistical analysis of data and graphical data statistical analysis of open dialog, the dialog box can be data minimum, maximum, average, median and standard deviation and so on.)

说明：  粒子滤波重采样算法对比与分析，matlab实现。(Particle filter resampling algorithm comparison and analysis, matlab achieve.)

以重力异常为例，对重力异常曲线进行圆滑和求导数。(This is a matlab code.It about smooth and derivative algorithm.)

这是前推回代法求解三相不平衡配电网的潮流计算，适合各种情况下的节点。(This is the forward and backward substitution method to solve the three-phase unbalanced distribution network power flow calculation, suitable for a variety of situations node.)

瑞利分布的随机变量，标准高斯分布的随机变量，莱斯分布的随机变量(Random Variables of Rayleigh Distribution, Standard Gauss Distribution and Rice Distribution)