numpy.ma.ediff1d

ma.ediff1d(arr, to_end=None, to_begin=None)

计算数组中连续元素的差值.

此函数等价于 numpy.ediff1d ,它考虑了屏蔽值,有关详细信息,请参阅 numpy.ediff1d .

参见

numpy.ediff1d

ndarray 的等效函数.

示例

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>>> import numpy as np
>>> arr = np.ma.array([1, 2, 4, 7, 0])
>>> np.ma.ediff1d(arr)
masked_array(data=[ 1,  2,  3, -7],
             mask=False,
       fill_value=999999)

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