This article mainly introduces the method of python topN to get the largest N number or the smallest N number. It has a certain reference value. Now I share it with you. Friends in need can refer to it
is as follows:
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import numpy as np a = np.array([1,4,3,5,2]) b = np.argsort(a) print(b)
Explain that a[0] is the smallest and a[3] is the largest
a[0]<a[4]<a[2]<a[1]<a[3]
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