numpy get index of n largest values
numbers = np.array([1, 3, 2, 4])
n = 2
indices = (-numbers).argsort()[:n]numpy get index of n largest values
numbers = np.array([1, 3, 2, 4])
n = 2
indices = (-numbers).argsort()[:n]get n largest values from 2D numpy array matrix
""" for this matrix:
[[ 8, 9, 4],
[10, 5, 18],
[ 5, 6, 6]]
"""
n = 5
rows = mat4.shape[0]
row_col_idxs = [(e//rows, e-(e//rows * rows))
for e in mat4.flatten().argsort()[::-1][:n]]
""" result: [(1, 2), (1, 0), (0, 1), (0, 0), (2, 2)] """Copyright © 2021 Codeinu
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