fft

利用matlab编写的二维网格的时域有限差分算法(Matlab prepared using a two-dimensional grid finite-difference time-domain algorithm)

多种曲线拟合方法，包括埃尔米特插值，差商，牛顿法，龙格库塔法( U591A u79CD u66F2 u7EBF u62DF u5408 u65B9 u6CD5 uFF0C u5305 u62EC u57C3 u5C14 u7C93 u7279 u63D2 u503C uFF0C u5DEE u5546 uFF0C u725B u987F u6CD5 uFF0C U9F99 u683C u5E93 u5854 u6CD5)

c++编写的小波包算法，可以实现小波包分解与重构，速度较快(A wavelet packet implementation written in C++, does wavepacket decomposition and reconstruction quite efficiently)

Abaqus定义材料本构用户子程序-VUMAT(Abaqus defined material constitutive user the subroutine-VUMAT )

Floor planning and route

说明：  可以进行平面拟合，基于matlab语言，简单易懂(It can be used for plane fitting. It is simple and easy to understand based on MATLAB language.)

光纤激光器速率方程 修改数值后可直接计算(The fiber lasers rate equation)

迭代最小二乘法,反演中应用极广泛，非常经典(Iterative least-squares method，An extremely wide range of inversion, very classic)

abaqus fortran 纤维拉伸 子程序(abaqus fortran fiber stress subumat)

最小二乘估值的SVD分解计算方法，本程序可将最小二乘估值问题转化为超定方程组的问题处理，且可用奇异值分解的方法计算最小二乘问题。(Least Squares Estimates of the SVD decomposition method, the valuation process can be transformed into squares overdetermined equations deal with the problem, and can be calculated singular value decomposition least squares problem.)