kmeans聚类分割

加減法速算練習器，可以設定1到4位數，最大可以連續10次運算，出題方式可以橫式或直式，適合給珠算練習或是小學生加減法練習。

这是粒子群算法的一个源程序，程序很简单，已经运行过了，可以用，对初学者是个不错的程序-This is a source particle swarm optimization algorithm, the program is very simple, has been running over us, we can use, for beginners is a good program

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实现了简单的宽度优先搜索，算法比较简单，课程设计时可用。-To achieve a simple breadth-first search

最小圆排列的分支限界法！ 用了很好的剪支策略很快的！-smallest circle with a branch and bound method! With a good strategy for cutting sticks soon!

指针用法

一个正整数的集合S，c是一个正整数，在s的子集中判断是否存在子集和为c的子集-A set of positive integers S, c is a positive integer, in the subset of s, to determine whether there is a subset of a subset of and for the c

C＃，DotNet FrameWork2.0,计算4张牌四则混合运算以后等于24的算法源码-C#, Delegate FrameWork2.0. Calculation four licensing mixed four to 24 after the operator of the algorithm source code

采用格子Boltzmann方法模拟不稳定绕柱流的情况，在固体边界出采用反弹格式进行处理