MATLAB: How to select certain elements from a matrix

matricesmatrix array

A=[1,2,3,4], B=[90,0,40,0;0,0,10,60;55,15,0,10;0,15,5,0]
Hi everyone.. I want to select indexes of only one zero from each row and respective column. please help me in writing matlab code for this problem. Thanks in Advance

Best Answer

B=[90,0,40,0;
    0,0,10,60;
    55,15,0,10;
    0,15,5,0];
[col row]=find(B==0);
A= [row col] % coordinates of your zero-elements
A =
       1     2
       1     4
       2     1
       2     2
       3     3
       4     1
       4     4
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