numpy.core.defchararray.upper — NumPy v1.11 Manual (original) (raw)
numpy.core.defchararray.upper(a)[source]¶
Return an array with the elements converted to uppercase.
Calls str.upper 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.upper(c) array(['A1B C', '1BCA', 'BCA1'], dtype='|S5')