请问 python 里面有没一个函数或者方法可以直接计算一组向量的合向量？ - V2EX

请问 python 里面有没一个函数或者方法可以直接计算一组向量的合向量？ - V2EX

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这是一个创建于 3403 天前的主题，其中的信息可能已经有所发展或是发生改变。

6 条回复 2016-08-01 13:13:50 +08:00

1

pimin

2016-06-23 01:17:59 +08:00

NumPy

2

debiann

2016-06-23 01:21:51 +08:00 via iPhone

3

Geoion

2016-06-23 01:21:58 +08:00 via Android

做数学怎么能不知道 scipy 呢？

4

practicer

2016-06-23 08:14:05 +08:00

import numpy as np

>>> np.sum([[0, 1], [0, 5]])
6

5

jinxueliu

2016-06-24 13:49:03 +08:00

向量的计算还是用 Numpy 吧

6

necomancer

2016-08-01 13:13:50 +08:00

In [1]: import numpy as np

In [2]: a = array([[1,2,3],[2,2,3]])
...:

In [3]: np.sum(a, axis = 0)
Out[3]: array([3, 4, 6])

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