polynomial_multiplication

它是一个计算热通量的c++程序，用udf导入fluent，既可以求解，非常好用的一个，可以作为入门的一个例子学习。(it is a calculated heat flux of c++ program, with udf into fluent, not only can solve, very easy to use one, can be used as a case study entry.)

说明：  LDL分解。作为矩阵方程数值解法最基础的矩阵分解算法，LDL算法可以高效分解对称矩阵。(LDL decomposition. Numerical Solution of matrix equation as the most basic matrix factorization algorithm, LDL decomposition algorithm can be efficient symmetric matrix.)

21位水仙花数的寻找，里面用到了大数乘法等细节上的东西。(find the 21 digits narcissus.)

计算岩石表面裂隙宽度并求取其表面粗糙度系数(Calculate the rock surface crack width and strike the surface roughness coefficient)

湍流模型re计算流体力学软件udf 可以用于修改UDF文件(turbulence model FLUENT)

层次分析法的VB应用软件，可以实现层次分析法的实例计算。(AHP VB)

船舶荷载计算程序，可用于码头设计中船舶荷载的计算。(Ship load calculation procedures, can be used for ship loading terminal design calculations.)

我收集的老外编的椭圆拟合算法，C++实现，输入一组XY数据就能求出椭圆参数(I collected foreigner series the oval fitting algorithm, C++, achieve)

this source code is use to calculate resister capacitor and inductor

含列所有图像处理的VC++程序，包括图像转置，傅立叶变换，图像编码等(Containing all image processing VC++ Procedures, including image transpose, Fourier transform, image coding, etc.)