Average stress

ABAQUS扩展子程序应用，实例学习，仅供参考(ABAQUS extended subroutine application)

Maximum Flow Graph (Boykov Kolmogorov Algorithm)

计算回测程序，多因子选股模型，单因子测试(Calculation of back - test program, multi - factor stock - picking model, the single factor test)

学习如何设置UPML吸收边界的3-D FDTD程序.对于初学者很有帮助(Learn how to set up UPML absorbing boundary of the 3-D FDTD procedure. Very helpful for beginners)

地震记录的数据，可以用来绘制地震记录，也可以作为地震反演的数据(Seismic wave inverse time migration program can realize the inversion of seismic wave)

关于复数矩阵求导的一本经典书籍“Complex-valued_matrix_derivatives”的电子版(About the electronic version of the complex matrix derivation of a classic book " Complex-valued_matrix_derivatives" )

通过标准方法实现结构加速度的线性积分问题(Implementation structure by standard methods of linear integral of acceleration)

求解界约束问题的截断共轭梯度法，是最近刚出来的方法(The truncated conjugate gradient method for solving boundary constraints is a recent method.)

早期的圆柱绕流程序，用fortran语言编写，用来了解早期绕流流动的发展(flow around the cylinder)

计算按频率抽取的基4快速傅里叶变换算法，与基2FFT相比，基4FFT的乘法量约减少25 。(Calculating frequency taken by fast Fourier transform algorithm base 4, compared with the base 2FFT the base 4FFT multiplication about 25 less.)