Return Indices for x Smallest/Largest Values in Array
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Is there a clean and elegant way for extracting the indices of the x smallest or largest values in an array? For example say I have an array [1,6,4,9,0] and I want the indices of the 3 smallest values, [1,3,5]. The functions min/max only return the index for the single minimum/maximum.
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David Hill
2020-6-4
[~,idx]=sort(x);
minIdx=idx(1:3);%for minimum 3
maxIdx=idx(end:-1:end-2);%for maximum 3
Sulaymon Eshkabilov
2020-6-4
编辑：Sulaymon Eshkabilov
2020-6-4
here is one of the possible ways:
A = [...; ...; ...];
[Row1,Col1]=find(max(A(:))==A) % Shows row# and col# of largest element
[Row2,Col2]=find(min(A(:))==A) % Shows row# and col# of smallest element
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