FEAT change #61 to find 3 nearest values in order #140
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rougier
reviewed
Jan 25, 2021
| @@ -778,16 +778,17 @@ Z = np.random.randint(0,3,(3,10)) | |||
| print((~Z.any(axis=0)).any()) | |||
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| < q61 | |||
| Find the nearest value from a given value in an array (★★☆) | |||
| Find the 3 nearest values in order from a given value in an array (★★☆) | |||
rougier
reviewed
Jan 25, 2021
| z = 0.5 | ||
| m = Z.flat[np.abs(Z - z).argmin()] | ||
| print(m) | ||
| m = Z.flat[np.abs(Z - z).ravel().argpartition(3)[:3]] |
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I would prefere a one line expression such that people can see directly what is the interesting part. I know that it won't work for all kind of specific cases but the goal here is to highlight argpartition.
print( np.abs(Z - z).argpartition(3)[:3]
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Change No.61 problem to find 3 nearest values in order.
I ran generators.py and it made some other changes in files.