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说明：  基于BP算法的非线性分类器，通过Python的numpy实现(A nonlinear classifier based on BP algorithm, implemented by numpy in Python)

just compile the program in python and see the clock

用python写爬虫,抓取央文新闻点评部分，多线程，超时处理(Write a crawler with Python, part of Wang grab news comment threads, timeout processing)

说明：  用python实现3D空间散点的连线绘图(Realization of 3D Spatial Spot Connection Drawing with Python)

《Python网络数据采集》 第一部分　创建爬虫 第1章　初见网络爬虫 2 1．1　网络连接 2 1．2　BeautifulSoup简介 4 1．2．1　安装BeautifulSoup 5 1．2．2　运行BeautifulSoup 7 1．2．3　可靠的网络连接 8 第2章　复杂HTML解析 11 2．1　不是一直都要用锤子 11 2．2　再端一碗BeautifulSoup 12 2．2．1　BeautifulSoup的find()和findAll() 13 2．2．2　其他BeautifulSoup对象 15 2．2．3　导航树 16 ……(Python Network Data Acquisition)

图片转字符画，可以保存为txt等格式（Python语言）(convert picture to character painting by python)

本程序用于实现模拟退火算法计算最短路径问题,读取txt数据,最后计算出任意两点之间的距离(This program is used to realize simulated annealing algorithm to calculate the shortest path problem, read TXT data, and finally calculate the distance between any two points.)

辛普森公式的python代码实例，计算微分积分运算(simpson rule is a very useful method to calculate integration and differentiation. The code is about how to implement it in python)

 1. eclipse上的python项目  2. 基于tensorflow，实现了LeNet-5网络模型，包括对MNIST数据集的预处理、模型搭建和对模型的训练、验证

说明：  用深度学习生成模型GAN实现时间序列预测，(Time series prediction is realized by using Gan model)