Finding a position of minimum value element in a matrix

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NIRBAN CHAKRABORTY 2022-1-7

评论： Matt J 2022-1-7

I have matrix of 10*73 with random variable

Now i want to find out the minimum value in 13 to 20th column in each row

if i write the program like this is it work

for i=1:10
   [r1,c1]=find(a(i,1:73)==min(a(i,13:20)))

KSSV 2022-1-7

编辑：KSSV 2022-1-7

A = rand(10,73) ;
[iwant,idx] = min(A(:,13:20),[],2)  % idx gives column position 
iwant = 10×1
1923
1928
1840
0789
2020
0124
5000
0500
1418
0890

Matt J 2022-1-7

If the column position needs to be with respect to the original dimensions of A, then you also need,

idx=idx+12;

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