任意弧计算半径

图书的增删改查，python2.7环境 【调试说明】 0. 安装缺失的包  pip2 install django pip2 instatll pymysql 1. 手动创建mysql数据库 day59_3，并修改settings.py中的 DATABASES 节点 为你本机数据库信息 2. 初始化数据库表结构，执行 D:idePython27>python "D:StudyProjectsPythonProjectday59 图书管理系统manage.py" migrate  3. 运行程序如下： D:idePython27>python "D:StudyProjectsPythonProjectday59manage.py" runserver 4. 访问网址 http://localhost:8000 即可看到如下截图

该程序实现PCA的分类功能，程序后面有详细的解释，经检测，程序能够跑通(The program realizes the classification function of PCA. The program is explained in detail later. After testing, the program can run through.)

说明：  InSAR代码，用于进行InSAR处理。Python代码(Is the InSAR code for InSAR processing. Python code)

说明：  本文件为《简明Python教程》中的部分代码及重要备注，可方便入门Python的新手学习(This file is part of the code and important notes in the Concise Python Tutorial. It is easy to get started with Python.)

说明：  abaqus周期性边界条件代码，可以参考学习(Periodic boundary conditions)

说明：  用Python写的EM算法 估计男女身高 来验证EM算法的准确性(Written in Python EM algorithm to estimate the height of men and women to verify the accuracy of the EM algorithm)

说明：  适合初学者编程小程序，适合熟悉python基本使用，可重复性强(Suitable for beginners to program small programs, suitable for familiar with the basic use of python, strong repeatability)

利用python编写的均衡器，用于通信仿真(a equalizer based python)

说明：  主要是测试爬取某地预报台数据用作科研分析，爬取数据将存入本地csv(The main purpose is to test and collect data from a local forecasting station for scientific research analysis, and the data will be stored in the local CSV)

python curses source code pgen2