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meteor2013
V2EX  ›  Python

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?

  •  
  •   meteor2013 · Jun 23, 2016 · 3895 views
    This topic created in 3750 days ago, the information mentioned may be changed or developed.
    6 replies  •  2016-08-01 13:13:50 +08:00
    pimin
        1
    pimin  
       Jun 23, 2016
    NumPy
    debiann
        2
    debiann  
       Jun 23, 2016 via iPhone
    Geoion
        3
    Geoion  
       Jun 23, 2016 via Android
    做数学怎么能不知道 scipy 呢?
    practicer
        4
    practicer  
       Jun 23, 2016
    import numpy as np

    >>> np.sum([[0, 1], [0, 5]])
    6
    jinxueliu
        5
    jinxueliu  
       Jun 24, 2016
    向量的计算还是用 Numpy 吧
    necomancer
        6
    necomancer  
       Aug 1, 2016
    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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