【Numpy学习】 矩阵除以向量

import numpy as np
a = np.array([[1,2,3],[1,2,3],[1,2,3],[1,2,3]])
b = np.array([1,2,3,4])
print(a.shape)
 
c = b.reshape(-1,1)
print(c.shape)
print(a/c)
print(np.sum(a,1))

https://blog.youkuaiyun.com/DeniuHe/article/details/114292950