3DDC

有限差分法，5阶WENO格式求解一维Euler方程组的双冲击波问题(fifth-order WENO scheme for 1-D Euler equation with two blast waves problem)

基于递推最小二乘法进行系统辨识的基本原理,对给定的实际输入输出数据运用MATLAB的M语言编写递推最小二乘算法(The basic principle of system identification based on recursive least squares method, using the MATLAB M language to write recursive least squares algorithm for given actual input and output data)

应用于高速碰撞的相关子程序，考虑了在高速碰撞中单元畸变的沙漏模型。。(Related subroutines used in high-speed collision, taking into account distortion in high speed crash in the hourglass model unit. .)

feap 有限元程序，国外某大学的开源程序(feap finite element program)

最小二乘法拟合曲线C++代码，任意的M个数据，任意的次数N(N不易太高)。输出拟合曲线的表达式(Least Squre For ...)

matlab产生Alpha稳定分布随机数；Alpha稳定分布概率密度函数计算；Alpha稳定分布的分布函数计算等(Matlab produce Alpha stable random number distribution Alpha stability distribution probability density function computing Alpha stability distribution of distribution function is presented)

说明：  研究FDTD模拟一维光子晶体中的光波传输，并利用此方法计算了电磁波在一维光子晶体中的电场和磁场的空间分布以及一维光子晶体的透射谱。(FDTD simulation study of one-dimensional photonic crystal of light transmission, and use this method to calculate the electromagnetic wave in one-dimensional photonic crystal in the electric and magnetic fields, as well as the spatial distribution of one-dimensional photonic crystal transmission spectrum.)

计算流体力学，HLL格式，适合初学者，易懂，每步有说明。(Computational Fluid Dynamics, HLL format, suitable for beginners, easy to understand, each step is described.)

FFT快速傅里叶变换，用于数字信号处理，大大提高了运行速度，节省内存开销。C语言实现(FFT fast Fourier transform for digital signal processing, greatly improving the speed and save memory overhead. C language)

说明：  经过个人修改的matlab科学计算程序，供初学者使用(MATLAB scientific computing and visualization simulation literature amended program can achieve numerical conversion between)