...代指多个:,:。 import numpy as np w1=[] for j in range(5): if j!=0: w1.append((j*1,j*1+1,0)) w1=np.array(w1) #print(w1) #print(w1[:,:-1]) e=w1[:,:-1] br=np.broadcast_to(e[None],(4,4,2)) #print(e[:,None,:]) #print(br) ne=e[:,None,:]-br ne=np.reshape(ne,(-1,1,2)) grid = np.arange(5, dtype=np.float32).reshape(1, -1, 1) point=grid*ne/10+ne.reshape((-1,1,2)) #print(point) x = point[..., 0].ravel()#x等于point[:,:,0].ravel。
标签：...,区别,point,ne,print,w1,np,numpy From： https://www.cnblogs.com/hahaah/p/17003095.html