numpy.ma.ediff1d#

ma.ediff1d(arr, to_end=None, to_begin=None)[原始碼]#

Compute the differences between consecutive elements of an array.

This function is the equivalent of numpy.ediff1d that takes masked values into account, see numpy.ediff1d for details.

也參考

numpy.ediff1d: Equivalent function for ndarrays.

Examples

>>> 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)