my_array[:, 0::2] = np.sin(A)
my_array[:, 1::2] = np.cos(B)
If my_array is a two dimension array, what does this code do? In particular, what does :: do?
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juanpa.arrivillaga
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marlon
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it makes a slice over axis with step – RomanPerekhrest Mar 07 '23 at 19:55
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1Have you read e.g. https://stackoverflow.com/q/7123888/3001761? – jonrsharpe Mar 07 '23 at 19:55
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1This is a basic python indexing syntax, applicable to strings and lists as well as arrays, e.g. `s[i:j:k]` means `slice of s from i to j with step k` – hpaulj Mar 07 '23 at 20:00