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plz i need help to make this , thank u

Asked by mina massoud on 9 Apr 2019
Latest activity Answered by Star Strider
on 9 Apr 2019
% A >>>>> MA >>>>>> min E >>>> from this i need the corrispondat column vector of A
% B>>>>>> MB >>>> min E >>>>> from this i need the corrispondat column vector of B
% so at the end i need a matrix 2x8 that contain only the the mix of A and B hat corrispond to the minimum value of MA and MB
A=10*randn(2,8); % from this matrix in need only the column vector that corrispond to the min value of MA
B=10*randn(2,8); %from this matrix in need only the column vector that corrispond to the min value of MB
MA=mean(A,1)
MB=mean(B,1)
E=min(MA,MB)

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2 Answers

Answer by Adam
on 9 Apr 2019
 Accepted Answer

[~, idx] = min( MA );
resA = A(:,idx);

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Answer by Star Strider
on 9 Apr 2019

If you want to find the column of ‘A’ or ‘B’ that has the minimum value in their respective matrices, this works:
[~,cA] = find(A == min(A(:)));
[~,cB] = find(B == min(B(:)));
Here, ‘cA’ is the column of ‘A’ that has the minimum, the same applies to ‘cB’ and ‘B’.

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