Planar data classification with one hidden layer 1 – Packages Let’s first import all the packages that you will ne…

3 – General Architecture of the learning algorithm It’s time to design a simple algorithm to distinguish cat image…

Part 1：Python Basics with Numpy (optional assignment) 1 – Building basic functions with numpy Numpy is the main pa…

Built-in Functions abs() dict() help() min() setattr() all() dir() hex() next() slice() any() divmod() id() object() sor…

集合的作用： 去重，把一个列表变成集合，就自动去重了 关系测试，测试两组数据之前的交集、差集、并集等关系 s = set([3,5,9,10])      #创…

主程序： # -*- coding: utf-8 -*- """ Created on Sun Oct 22 19:57…

high_low_mean.py # -*- coding: utf-8 -*- """ Created on Sun Oct 2…