LDL-and-Cholesky

一个在fluent udf中使用Compute_Force_and_Moment函数计算力的算例(An Example of Compute_Force_and_Moment Function in Fluent UDF)

说明：  一个用C语言编写的求混沌序列的源程序,挺好的!(a C language for the chaotic sequence of the source, very good!)

关于非线性离散系统辨识，小波包分析提取振动信号中的特征频率，有小波分析的盲信号处理。( Nonlinear discrete system identification, Wavelet packet analysis to extract vibration signal characteristic frequency, There Wavelet Analysis Blind Signal Processing.)

说明：  abaqus fortran语言下的dload和vdload程序代码，以显示及隐式实现移动加载(Dload and vdload code in ABAQUS FORTRAN to display and implicitly implement mobile loading)

简述算法在实际当中的应用以及算法的改进和延伸(Improvement and extension of applications and algorithms of the outlined algorithm in practice)

实现任意结构阵列的恒定束宽波束形成法，采用贝塞尔函数分解(Realize the structure of arrays of arbitrary constant beamwidth beamforming method, the use of Bessel function decomposition)

用多重网格方法求解泊松方程，偏微分方程求解(use multigrid method to solve poisson equation, pde solver)

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)

计算由样本矩阵X及其标签列向量label得到的csp投影矩阵 (calculate csp matrix )

说明：  关闭OFDM信号子载波，画出OFDM信号频谱图，查看旁瓣泄露情况(Close OFDM signal sub-carrier OFDM signal spectrum plot, view the situation sidelobe leakage)