frft-sixcodes

正入射的自由曲面透镜设计，计算获得透镜的二维坐标(The free-form surface lens is incident on the design, the two-dimensional coordinates of the lens calculated)

计算分数阶微分方程lypunov指数，确定混沌系统的混沌状态。(Calculated fractional differential equations lypunov index to determine the chaotic state of the chaotic system.)

仿真效率很高的，小波包分析提取振动信号中的特征频率，实现用SDRAM运行nios，同时用SRAM保存摄像头数据。( High simulation efficiency, Wavelet packet analysis to extract vibration signal characteristic frequency, Implemented with SDRAM run nios, while saving camera data SRAM.)

对于应用数学专业学习非线性混沌控制的学生非常有用，可以下载并尝试自己动手改变后半部分，就能应用于新系统中(For students applied mathematics learning nonlinear chaotic control is very useful, you can download and try yourself to change the second half, will be able to be applied to the new system)

这是一个数值计算Fortran程序，将矩阵进行奇异值分解，SVD.txt存放待分解的矩阵，u.dat,v.dat为分解后的左右矩阵，qiyizhi.dat和qiyizhi0.dat为得到的奇异值。(This is a numerical Fortran program matrix singular value decomposition, SVD.txt store to be factored matrix, u.dat, v.dat about decomposition of the matrix, qiyizhi.dat and singular value obtained qiyizhi0.dat .)

随机调制信号下的模拟ppm，阐述了负荷预测的应用研究,是国外的成品模型。( Random ppm modulated analog signal under It describes the application of load forecasting, Foreign model is finished.)

关于一的微分方程数值解,一维波动方程初边值问题Crank-Nicholson格式,及追赶法(On one of the numerical solution of differential equations, one-dimensional wave equation Crank-Nicholson format, and to catch up with the Law)

TGM.m \传统的Galerkin方法 MD.m \时滞惯性流形方法 brownian.m \演示布朗运动 randomwalk.m \ 演示随机游走 tumor.m \ 演示tumor演化(TGM.m traditional Galerkin method MD.m Delays inertial manifold method brownian.m demo Brownian motion randomwalk.m demo random walk tumor.m demo tumor evolution)

用Fluent VOF模型模拟单个小水滴落入盛水的水杯之中(Fluent VOF model simulations using a single drop falling into a water glass)

用于abaqus二次开发材料VUMAT，为初级学者找到更简单的方法(Materials for ABAQUS secondary development)