import numpy as np
a=np.random.randint(1,9,size=9).reshape((3,3))
print(a)
b=np.random.randint(1,9,size=3)
print(b)
显示随机生成两个矩阵
#a矩阵
[[4 1 3]
[7 2 3]
[5 1 1]]
#b矩阵
[5 3 2]
把b拼接在a右侧
b=np.expand_dims(b,axis=0)
print(np.block([[a,b.T]]))
把b拼接在a下方
print(np.block([[a],[b]]))
结果
[[4 1 3]
[7 2 3]
[5 1 1]
[5 3 2]]
