快速傅里叶变换的c程序，共分五个部分，此为一维快速傅里叶变换快速算法DFT...

利用变步长来计算积分，该算法中用到步长的折半方法。-use variable step to calculate integrals, the algorithm uses the half step method.

偏最小二乘法，用于回归分析，构建回归方程，预测准确度高

关于GR用C语言编写的代码-on GR C language code

计算电磁学中FDTD方法的三维基本算例,PMC边界条件-This ToyBoxFDTDbezhig is an extremely simple 3D FDTD code.

基于虹膜识别的身份鉴别- The status distinguishes which based on the iris distinguishes

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龙格库塔算法，用于拟合GLONASS的星历数据，15分钟精度在5米之内，可以向前推，也可以向后推！-Runge- Kutta method for fitting the GLONASS satellite ephemeris data, the accuracy of 15 minutes within five meters, can move forward, but also can push back!

是《计算机常用数值计算算法与程序 C++版》一书的配套C++程序源代码文件，每个源程序文件的文件扩展名都使用.cpp形式。这些C++程序已经在微软公司Windows 平台下的Virsual C++ 6.0环境下通过-is "commonly used computer numerical algorithms and procedures C version," a book supporting the C source code file, the source files extensions are used. Cpp form.C Windows Virsual C 6.0

    用C++实现直接插入排序，在VC++ 6.0编译通过。算法描述如下：    每趟将一个待排序字的关键字，按照其关键字值的大小顺序查找到适当的位置，完成插入，直到待排序的关键字为空。

id3算法实现决策树的matlab源码。可运行，附测试集，代码思路清晰，注释丰富，易懂。