es-model

comsol安装证书以及二氧化硅光纤模式图(COMSOL installation certificate)

说明：  MATLAB优化算法案例分析与应用的PPT，供大家交流参考(PPT for case analysis and application of MATLAB optimization algorithm)

三阶四阶五阶蔡氏电路的状态方程以及各自的分岔图(The state equation of four order five order three order Chua s circuit and their bifurcation diagram)

McCormick包络，用来松弛bilinear item，McCormick envelopes - optimization(McCormick envelopes - optimization bilinear item)

Tomcat不仅仅是一个Servlet容器，它也具有传统的Web服务器的功能-Tomcat is not only a Servlet container, it also has a traditional Web server functionality

％ 该Matlab程序基于牛顿－拉夫逊算法，用于计算已知导纳矩阵、PQ节点、PV节点、平衡节点(UA)的电力网络潮流 ％ U - 各节点母线电压 S - 各节点注入功率 S_net - 电力网络总损耗 ％ PQ_P - 实算PQ节点注入有功功率 PQ_Q - 实算PQ节点注入无功功率 ％ delt_PQ_P - 实算PQ节点有功功率修正值 delt_PQ_Q －实算PQ节点无功功率修正值 ％ delt_UA_P - 实平衡节点有功功率修正值 delt_U_2 - 实平衡节点电压平方修正值 ％ delt_PQV - 实算P Q U^2修正值 J - 雅可比矩阵 ％ e - 电压实部 f - 电压虚部 delt_ef - 电压实部与虚部修正值- The Matlab program based on the Newton- Raphson algorithm is used to calculate the admittance matrix is known, PQ node, PV node, the node balance (UA) the trend of the electricity networks U- the node bus voltage S- each node injection power S_net-- The total loss of electric power networks PQ_P- operator PQ is injected into active nodes PQ_Q- operator PQ is injected reactive power node delt_PQ_P- is considered the correct value of active power PQ node delt_PQ_Q- really count PQ node reactive power to amend the value of delt_UA_P- real active power balance of the correct value of the node delt_U_2- node voltage balance is the correct value of the square o

说明：  剑指offer的编程实例，使用java编程语言实现，主要用于学习基础面试算法(The programming example of offer of sword finger, which is realized by Java programming language, is mainly used to learn basic interview algorithm.)

拼图游戏，可选择图像和难易程度，益智类游戏，可休闲可学习-Jigsaw puzzle, choose images, and degree of difficulty, puzzle games, can be casual to learn

C语言编写的学生成绩管理程序，C语言课程设计时做的，代码700多行，具有添加、删除、查找、排序等功能，可读性较好，偏于修改。(C language student performance management procedures, C language courses designed to do, more than 700 lines of code, add, delete, search, sorting and other functions, better readability, partial to modify.)

research paper that describe smart grid