velocity_direction

一段很好用的把经纬度转化为平面坐标的代码-a good use put into longitude and latitude coordinates of the plane code

it can add two numbers and shows the answer

beereader source code

港口泊位分配问题，采用贪心算法和模拟退火算法(Port berth allocation problem)

说明：  好用好学的Python深度学习资料供分享和下载(Easy to use and learn Python in-depth learning materials for sharing and downloading)

这是我写的一个简单的C# 黑白棋程序，能够实现双人对战,作为第一个处女程序，还是先发上来了，呵呵。其中有能够下子点的提示-a simple black and white chess program,which can enable two people play the game.this is my first game,thanks .there is some hints.

用于配电网的重构的混合整数二阶锥规划，利用yamilp工具箱，同时利用了cplex/mosek等求解器求解，配电网示例网架结构较简单。(The mixed integer two order cone programming is used in the distribution network reconfiguration, and the yamilp toolbox is used. At the same time, the cplex/mosek solver is used to solve the problem. The grid structure of the distribution network is simple.)

this is a plc program

将文件名为编号1-99的图片补零，改文件名为001-099，方便图片读取。然后读取图像将图像转为.mat文件(Fill the file with the image numbered 1-99 and rename it 001-099 for easy reading.Then read the image and convert it to .mat file.)

是西门子开发的卷径、张力计算，用于钢铁、造纸、纺织行业(It is the diameter diameter and tension calculation developed by SIEMENS, which is used in the steel, papermaking and textile industries)