Finding location of minimum in 3d array

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Consider this code
Y = rand(1000,100) ;
iwant = zeros(20,50,100) ;
uwant=zeros(50,1,100);
for i = 1:100
Y1 = Y(:,i) ;
S1 = numel(Y1); % this is same always 1000
iwant(:,:,i) = reshape(Y1(1:S1 - mod(S1, 20)), 20, []);
uwant(:,:,i) = sum(iwant(:,:,i), 1).' / 20;
A=uwant(:,:,1:100);
B=abs(A-z);
C=min(B,[],[2 3]);
end
C is 50 by 1. Each value in C is selected from each row of 100 variables. How can I know the location where C is taking from among the 100 variables

Accepted Answer

KSSV
KSSV on 14 Aug 2019
It is asked multiple times..you may search in the forum. For EXample:
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