注:
numpy.linalg.norm求范数_庾信平生最萧瑟的博客-CSDN博客_la.norm
注:
python中轴的axis=0与axis=1各自有什么意思:为超过一维的数组定义的属性_程序猿的探索之路的博客-CSDN博客_python 中轴
print(z @ x.T)
print(LA.norm(z, axis=1, ord=2)[:,None])
print(LA.norm(z,axis=1,ord=2,keepdims=True))
print(LA.norm(x, axis=1, ord=2)[None,:])
[[389.77178239 115.2562025 ]
[356.55918491 91.33743371]]
[[31.6227766]
[31.6227766]]
[[31.6227766]
[31.6227766]]
[[31.6227766 31.6227766]]