This is documentation for an old release of NumPy (version 1.3.). Read this page in the documentation of the latest stable release (version > 1.17).
numpy.ediff1d¶
- numpy.ediff1d(ary, to_end=None, to_begin=None)¶
The differences between consecutive elements of an array.
Parameters: ary : array
This array will be flattened before the difference is taken.
to_end : number, optional
If provided, this number will be tacked onto the end of the returned differences.
to_begin : number, optional
If provided, this number will be taked onto the beginning of the returned differences.
Returns: ed : array
The differences. Loosely, this will be (ary[1:] - ary[:-1]).
Notes
When applied to masked arrays, this function drops the mask information if the to_begin and/or to_end parameters are used
