MATLAB: Lowest index in the matrix

Question

Hi,

I try to find a lowest index in the each row of the matrix.For example I have 4×6 matrices like this

A =  1.9440    1.9749    1.9442    1.9786    
     1.9752    1.9699    1.9732    1.9646
     1.9678    1.9580    1.9120    1.9129
     1.9199    1.9117    1.9138    1.9074
     1.9117    1.9302    1.8998    1.9165
     1.9060    1.9180    1.9116    1.9056   
     1.9113    1.9040    1.9051    1.9051

First rows lowest value is 1.9440 and index is 1, second rows lowest value is 1.9616 and index is 4 etc. because i need to use that index to find in the other matrices.

B=  2.3309    2.5192    2.4977    2.4928
    2.4410    2.4246    2.6200    2.4092
    2.3714    2.3964    2.6079    2.5904
    2.4682    2.5127    2.5259    2.5475
    2.4757    2.4680    2.3819    2.5908
    2.6394    2.5099    2.5651    2.4873

Because the index of the lowest value at the first row in matrices A, I want same index for B.

lowest A = 1.9440   1.9646   1.9120   1.9074   1.8998   1.9056   1.9040 
index =  1  4  3  4  3 4 2

intended results according to this index in matrices B =

2.3309  2.4092  2.6079  2.5904  2.3819  2.5099

Thank you

Answer 1

The second output of min() gives you this:

[minx,idx] = min(A,[],1);

And for more info:

doc min