aspirinLi的博客

如代码： import matplotlib.pyplot as plt import numpy as np #准备绘图数据 x = np.arange(0,1,0.05) y = np.sin(2*np.pi*x) y2 = np.cos(2*np.pi*x) plt.plot(x,y) plt.show() ''' #改变颜色 plt.plot(x,y,'r') plt.show()...

import numpy as np import pandas as pd from pandas import DataFrame from pandas import Series data = np.arange(16).reshape((4,4)) data = DataFrame(data=data,index=['a','b','c','d'],columns=['one','t...

作业：书本82页的1、2题 参考答案：http://www.doc88.com/p-9015630771561.html 参考学习：https://blog.youkuaiyun.com/jurbo/article/details/75010875?utm_source=gold_browser_extension 对于参考博客部分，重点掌握平移、放缩、旋转的表达式及矩阵表达。...