FRF_find

进行多元分位数回归计算的程序包，可以显示很多回归参数。(A package that performs multiple quantile regression calculations can display many regression parameters)

数值计算实例，主要有LU分解，龙格库塔法，高斯分解法，欧拉法，曲线拟合，曲线插值(Numerical example)

说明：  matlab的adi方法求解偏微分方程，精确度较高(ADI method of MATLAB for solving partial differential equations)

可进行最小二乘法线性拟合输出，包含源代码及生成后的程序(Least-squares linear fit can be output)

主要用来进行Umat子程序指导编程说明用的文件(The document is mainly used for writting a Umat project by fortran language.)

计算给定序列的沃什(Walsh)变换序列。(Calculation of a given sequence of Vas (Walsh) transform sequence.)

ISAAC采用多块网格技术求解二维或三维的Euler或者NS方程，并且提供了大量的湍流模型供使用，为相关研究人员提供了很好的参考。(ISAAC solves 2D or 3D Euler or NS equatioon based on a multiblock grid technique, also lots of turbulence models is included in the code. ISAAC provides a good reference for relative researches.)

2D ADI FDTD code.采用不同的三对角矩阵解法(2D ADI FDTD code. Using different tridiagonal matrix method)

说明：  各种滤波器，包括高通、低通、带通等滤波器，可用，直接输入数值即可，可直接使用，没有bug(bandpass filter,Band pass filter, available, direct input value, can be used directly, no bug)

fluent软件的UDF程序，是焊接过程的热源，热源类型为双椭球空间热源。(fluent udf heat source)