【Numpy】numpy.kron 用法详解

描述

计算两数组的克罗内克积。什么是克罗内克积？看下面两个例子就明白了。

语法

numpy.kron(a, b)

参数

• a, b: array_like

返回

• out: ndarray

实例

>>> import numpy as np
>>> a = np.array([[1, 2],
...               [3, 1]])
>>>
>>> b = np.array([[0, 3],
...               [2, 1]])
>>>
>>> c = np.kron(a, b)
>>> c
array([[0, 3, 0, 6],
       [2, 1, 4, 2],
       [0, 9, 0, 3],
       [6, 3, 2, 1]])

参考

https://numpy.org/doc/stable/reference/generated/numpy.kron.html https://baike.baidu.com/item/克罗内克积F/6282573