RGB 转 yuv420

适用于坐标转换，利用高斯投影正算反算坐标在北京54西安80以及cgcs2000下的坐标系，可以实现坐标系的换带等。对于测绘和地理信息上图幅纠正等，是最基础的条件。

一个解决龟兔赛跑爬山问题的算法，仅供参考。-a solution of the race between climbers algorithm, for reference purposes only.

元胞自动机模型源代码，模拟紧急事件下人员疏散问题 通过构建一个二维的有限空间的元胞自动机，以单个格点代表其中的人员可能站位模拟在火灾等紧急条件下人员的疏散过程

这是一个用c语言实现的蚁群算法，希望对研究蚁群算法的人有帮助。-C This is a language with the ant colony algorithm to achieve the hope that the study of ant colony algorithm to help the people.

对图片进行快速傅里叶变换，输出变换后结果图片-Fast Fourier transform of the picture, the output result of the transformed image

资源描述实现Apriori算法，应用于如下的数据（给定参数），挖掘频繁项集   -an example for Apriori algorithm in data mining

对任意给定的二叉树（顶点数自定）建立它的二叉链表存贮结构，并利用栈的五种基本运算（置空栈、进栈、出栈、取栈顶元素、判栈空）实现二叉树的先序、中序、后序三种周游，输出三种周游的结果。- To wilfully assigns two forks the tree (to go against points from to decide) establishes it two to fork the chain table storage structure, and (sets at spatial stack after the stack five kind of fundamental operations, enters stack, sends out of the warehouse, takes stack top element, sentences stack to be spatial) realizes two forks the tree first the foreword, center the foreword, the foreword three kinds travels around, outputs the result which three kinds travels around.

任意精度求pi,对内存基本没有要求，spigot算法-arbitrary precision for pi, no basic right memory requirements spigot Algorithm

可以用来计算对称正定矩阵的逆矩阵，比通常的求逆程序的计算效率快很多，经过测试很好用，计算非常准确，使用方便，与大家共享。

使用TMS320F2812实验三相交流异步电机调速的程序，通过此代码可以学习DSP2812的编程框架和SPWM的产生方法。程序代码全部为C/C++语言-TMS320F2812 experiments using three-phase AC induction motor of the process, through this code can learn DSP2812 programming framework and method for the selection of SPWM. Code all C/C++ Language