整理分享：常用的数学运算程序源代码 包括常用的几种数学运算程序的C++代码，例如矩阵运算-collate share : common mathematical procedures used in the source code of several mathematical programs in C code, for example, matrix operations, etc.

该文件夹包含两个目录，分另为实现FFT变换的C以及C#代码实现。 经我整理之后，现在两个程序都采用相同的方法，并且采样数据为8192个点。-The folder contains two directories, the other for the achievement of the FFT with C and C# code. The I order that the two programs by the same method, and sampling data for 8192

这个文件里面整理了7份关于快速傅里叶变换（FFT）算法的程序代码，对于想要学习数字信号处理的人会有一些帮助。-This file compiled seven on the Fast Fourier Transform (FFT) algorithm code, there will be some help for those who want to learn digital signal processing.

整理的C RC通用计算代码。可用于没有OS的嵌入式-CRC general purpose computing, finishing the C code. Can be used for the OS embedded