mpc_pathon_给平面模型自动加周期性边界条件

说明：  单相光伏并网发电系统电压前馈控制和有源频率偏移（AFD）孤岛检测法的simulink仿真模型AFD孤岛检测方法采用S函数给出(Simulink simulation model of voltage feedforward control and active frequency offset (AFD) islanding detection for single-phase photovoltaic grid connected power generation system)

OSCI组织最新lease出来的传输级建模指导实验，对初学者快速认识TLM中的一些基本概念很有用，本实验经作者修改并调试通过。-The tutotial7 of TLM-2.0 which is released from OSCI group currently!

2018数模美赛A题海绵波浪简单性质的模拟。(Simulation of the simple properties of the sponge wave in the 2018 model A.)

以PDU串的形式发送出去的，中文字符以Unicode码来表示，所以在发送中文短消息之前必须首先将中文字符转换为Unicode码-PDU string in the form of sending out the Chinese characters to Unicode code to express, so before sending Chinese text messages must first Chinese characters will be converted to Unicode code

说明：  leetcode question to have a better understanding

大地坐标转换经纬度源码,北京54和WGS84之间的转换-coortrans

说明：  MATLAB 和 HFSS 联合建模和仿真优化方法(Joint modeling and simulation optimization method of MATLAB and HFSS)

计算几何,英文版,写的十分详细,适合初学者入门学习,老手也可丛中学到不少知识(Computational geometry, English, written in great detail, suitable for beginners study entry, a pair of veterans may also learn a lot of knowledge)

矩阵的奇异值分解，ap为是矩阵a，up返回左奇异值，vp返回右奇异值-Matrix singular value decomposition, ap is the matrix for a, up to return the left singular value, vp return the right singular value

器件选型 - 最受全球工程师欢迎的10款稳压器件(Device Selection - 10 Voltage Regulators Most Welcomed by Global Engineers)