[Numpy-discussion] Casting a float array into a string array

[Matthieu Brucher]

Hi,

I'm trying to cast a float array into a string array (for instance
transforming [[2., 3.], [4., 5.]] into [['2.', '3.'], ['4.', '5.']]), I
tried with astype(str) and every variation (str_, string, string_, string0),
but not luck.
Is there a function or a method of the array class that can fulfill my needs
? And if there is a way to add a formatting option ('1.1f' for instance), it
would be even better.

Matthieu
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