ylxw
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Python float 精度误差

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  •   ylxw · Nov 21, 2018 · 2291 views
    This topic created in 2732 days ago, the information mentioned may be changed or developed.
    x=[p/sum(probabilities) for p in probabilities]
    sum(x)

    结果为:1.0000000125,结果大于 1
    5 replies    2018-11-21 11:17:49 +08:00
    1iuh
        1
    1iuh  
       Nov 21, 2018
    请使用 decimal
    shiroming
        2
    shiroming  
       Nov 21, 2018 via Android
    与 Python 无关
    zn
        3
    zn  
       Nov 21, 2018
    float 就这尿性啊,有问题吗??
    ClutchBear
        4
    ClutchBear  
       Nov 21, 2018
    跟 python 没关,
    是计算机存储浮点数机制导致的.
    zhusimaji
        5
    zhusimaji  
       Nov 21, 2018 via iPhone
    请使用一楼方法
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