zheng

compute Bhattacharyya distance between two Gaussian classes

很详细的一维FDTD介绍，以及MATLAB程序说明(Very detailed one-dimensional FDTD presentation and description of the MATLAB program)

该程序通过编写fortran，得到abaqus之程序usdfld，并实例分析。(The program is by writing fortran, get abaqus procedures usdfld, and case analysis.)

Hilbert Haung spectrum

市场最优配置，通过拉格朗日算子进行计算，并派出最优方案 (Market, the optimal configuration, through the Lagrangian operator is calculated, and to send the optimal program)

说明：  采用Lax-Friedrichs通量分裂，使用C++编写程序，有限差分法(Lax-Friedrichs flux splitting, C ++ programming, finite difference method)

子空间学习方法工具箱，包含PCA、LDA、LLE、ISOMAP等经典子空间分析方法(Subspace learning method toolbox, including classical subspace analysis methods such as PCA, LDA, LLE, ISOMAP and so on)

说明：  短时傅里叶变换及短时傅里叶反变换的实现，简单可用(The realization of short-time Fourier transform and short-time Fourier inverse transform is simple and available)

适用于ABAQUS的自定义材料子程序，适用于Johnson-Cook材料模型(Apply to custom material ABAQUS subroutine for Johnson-Cook material model)

说明：  有限元分析视频学习，可用于有限元分析视频学习(Finite element analysis video learning, used for finite element analysis video learning)