union

这些代码可以用于产生一系列随机数，可以根据需要使用。(These codes can be used to generate a series of random numbers may be used as needed.)

涡格法计算机翼的涡强，对不同剖面形状，拱度等进行了比较分析。并且与书籍上对比(Vortex lattice method the computer wing of the vortex is strong, the shape of different profiles, such as camber, a comparative analysis.)

研究典型相关分析的各种线性算法和非线性算法，并通过实验数据的比较说明了它们各自的特点(Canonical Correlation Analysis Study of the various linear and nonlinear algorithms algorithms, and through comparison of experimental data shows the characteristics of their respective)

2维的FDTD C程序(2-dimensional FDTD C procedures)

四阶龙格库塔法，用C++编写，很有参考价值(Fourth-order Runge-Kutta method, written in C, a good reference)

有限元计算开源库，可以用于计算动力、静力、磁场等等方面的计算(Finite element calculation open source library)

以前用VB6编写的一个计算器，支持常用的数学函数，支持弧度、角度转换，支持简单的函数作图。(A calculator writen by VB6, supports common mathematical functions, support radian, angle conversion, support simple function mapping.)

把十六进制数转换为十进制数，简单方便！能用于串口通信数据处理中(The hexadecimal number is converted to a decimal number, is simple and convenient! Can be used for serial communication data processing)

随机数生成程序，该随机数呈zipf分布，就是大家常说对于内容的访问遵循80/20原则，也就是20 的内容，会占有80 的访问量。(Random number generator, the zipf was distributed random numbers, that is, we often say that the access to the content to follow the 80/20 principle, which is 20 of the content will occupy 80 of visits.)

说明：  fluent模拟焊接的udf源文件 fluent模拟焊接的udf源文件(udf source file fluent fluent simulate welding simulation welding udf source file)