ex2_1 利用Z变换求系统输出 ex2_2 求DFT ex2_3 求序列的圆周移位 ex2_4 求序列的圆周卷积 ex2_5 简单的DFT实例...

Ordinary and Partial Differential Equation Routines in C, C++, Fortran, Java, Maple, and MATLAB

Description for caculate Gamma function

basic huffman code, visual c-basic huffman code, visual c++

原创的可实现大小写的相互转化-original case is the realization of the mutual conversion

该程序为动态规划得图论求解程序 好不好用了就知道 -The procedure for the dynamic programming procedure for solving a graph theory better use of the know

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.

客户端之间发送PING报文，客户端接受其他客户端的PING报文，回复信息。个人想法：通过UDP连接，客户端与服务器建立连接，登录只要用户名（不能重复），能从服务器查询在线用户。

二维数组的冒泡排序-Bubble sort of Two-Dimensional Arrays

逆波兰式源码-Reverse Polish-type source

DBSCAN(Density-Based Spatial Clustering of Applications with Noise)是一个比较有代表性的基于密度的聚类算法。与划分和层次聚类方法不同，它将簇定义为密度相连的点的最大集合，能够把具有足够高密度的区域划分为簇，并可在噪声的空间数据库中发现任意形状的聚类。