FFT

计算日期时间，可以显示不同颜色，主要用以计算上班日期，换班日期，十分方便。(Daliy Calc)

一个自己写的，生成BA无标度网络并计算其度分布的程序，fortran77格式，并附图一张，数据一份。(A program written myself, which can generate the BA scale-free networks and calculate the degree distribution , fortran77 format attachment is a drawing and data.)

解线性代数方程组的顺序高斯消去法。使用c++标准库的vector实现。(Solution of linear algebraic equations order Gaussian elimination. Use c++ standard library vector implementation.)

用C++实现排队论中M/M/1模型。简单方便。(Using C++ implementation in the M/M/1 queuing theory model. Easy and convenient.)

说明：  介绍线性算子的基本概念的文章,这是书里面的一个章节(Foundation of linear operator theory)

PRE IN POST OREDER TRAVERSAL C++ CODE VISUAL

《基于L 矩估计的GEV-GPD分布拟合及其频数分配和分位数计算》 L 矩估计各分布参数(包括GUMBEL分布,GEV分布,GPD分布) ，其中包括子程序(1)计算频数分配(PINSHU),(2)数组排序(BSORT),(3)L矩估计GUMBEL,GEV及GPD参数,(4)检验拟合效果TEST,TEST1.( L moment GEV-GPD calculation, which can be used to calculate distributed parameters of L moment, etc. )

进行PQ分解，计算电力系统潮流的有效方法，应用广泛(PQ decomposition is an effective method for calculating power flow in power system.)

利用五点差分格式和Jacobi迭代法，求解精确解和数值解的误差，判断阶数是否正确(Five-point difference scheme and Jacobi iteration method are used to solve the error between exact solution and numerical solution and to judge whether the order is correct or not.)

使用龙格-库塔间断Galerkin方法（RKDG）求解无粘流动Euler方程的程序，适用于计算流体力学RKDG方法的学习和研究。(Using the discontinuous Galerkin method (DG) for solving inviscid flow Euler equations procedures applicable to DG methods of study and research.)