butterworth_filter

随软件开关服务 vmware相同目录 switch service vmware (With the software switch service vmware the same directory)

说明：  小型的商品管理系统，提供商品和供应商的查询、添加、删除、编辑等功能，以及对商品管理系统业务的权限管理。本系统使用链表结构操作数据，提高了数据处理的效率。设计若干类和文件实现，用链表来存储商品的基本信息以及供应商，系统角色信息等。(The small commodity management system provides the query, addition, deletion, editing and other functions of commodities and suppliers, as well as the right management of the business of the commodity management system. The system uses linked list structure to operate data, which improves the efficiency of data processing. Some classes and files are designed to store the basic information of goods and the information of suppliers and system roles.)

二维数组转换，实现行与列的转换.很简单的(A 2 d array conversion, realize the transformation of the line and column)

伙伴系统的一些基本功能实现 包含分配内存函数及回收操作(Some basic functions of the buddy system are implemented. Contains allocated memory functions and recovery operations.)

在复杂网络的伪信息传播过程中，类比于病毒传染的传播模型(Dummy information dissemination process in complex networks, analogous to the spread of the virus infection model)

说明：  单闭环比值控制系统的鲁棒性分析simulink仿真。(Robustness analysis and Simulink simulation of single closed-loop ratio control system.)

说明：  modbus 源码 modbus master yuanma(Modbus source modbus master yuanma)

说明：  RC522 IIC 基于战舰版的IIC模式的射频RC522 利用IIC实现RC522芯片读写卡(RC522 IIC Radio Frequency RC522 Based on Warship Version IIC Mode Realization of RC522 Read-Write Card by IIC)

说明：  使用单纯形法求解线性规划问题，求最优解不停迭代(Simplex method is used to solve linear programming problems and the optimal solution is iterated continuously.)

good bezier,because it is used by opengl