numpy.core.defchararray.lower — NumPy v1.11 Manual (original) (raw)
numpy.core.defchararray.lower(a)[source]¶
Return an array with the elements converted to lowercase.
Call str.lower element-wise.
For 8-bit strings, this method is locale-dependent.
| Parameters: | a : array_like, {str, unicode} Input array. |
|---|---|
| Returns: | out : ndarray, {str, unicode} Output array of str or unicode, depending on input type |
Examples
c = np.array(['A1B C', '1BCA', 'BCA1']); c array(['A1B C', '1BCA', 'BCA1'], dtype='|S5') np.char.lower(c) array(['a1b c', '1bca', 'bca1'], dtype='|S5')