ljxopencv的博客

转载自https://blog.youkuaiyun.com/weixin_31866177/article/details/107380707?utm_term=numpy定义空的数组&utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduweb~default-5-107380707&spm=3001.4430

import numpy as np a=np.array([[1,2,3],[4,5,6]]) b=np.array([[11,12,31],[14,15,16]]) #方法1 c=np.r_[a,b] #沿着矩阵行拼接 print('c=',c) d=np.c_[a,b] #沿着矩阵列拼接 print('d=',d) #方法2 e=np.vstack((a,b)) #沿着矩阵行拼接...