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Converting NumPy array to lowercase

schedule May 20, 2023
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To convert a NumPy array of strings to lowercase, use the np.char.lower(~) method, like follows:

x = np.array(["A", "b", "C"])
np.char.lower(x)
array(['a', 'b', 'c'], dtype='<U1')
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Published by Isshin Inada
Edited by 0 others
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