Minimum value ineach column

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EldaEbrithil
EldaEbrithil on 14 Aug 2020
Commented: EldaEbrithil on 14 Aug 2020
Hi all
i want to extract the minimum positive value in each column, i have used this code
for j=1:length(columnA)
a(j)=min(A(A(:,j)>0));
end
but i am not able to solve the problem. A is a matrix
Thank for the help

Accepted Answer

Matt J
Matt J on 14 Aug 2020
Edited: Matt J on 14 Aug 2020
We don't know what columnA is in the code that you've shown. It would have to be a vector with the same number of columns as A for the code to work.
Regardless, the complete operation can easily be done without looping:
B=A: B(A<=0)=+inf;
a=min(B,[],1);
  4 Comments
EldaEbrithil
EldaEbrithil on 14 Aug 2020
Thank you very much, now it works!

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