m0_46861439的博客

https://blog.youkuaiyun.com/lllxxq141592654/article/details/81532855 np.linspace(a,b,n):从a到b均匀取n个点 np.meshgrid(x,y): 使用方法： import numpy as np import matplotlib.pyplot as plt A = np.array([2, 1]) B=np.array([5,8,9,0]) X,Y=np.meshgrid(A,B) print(X) print('-'*50)