MATLAB: How in Matlab

MATLABmatrixreplaced in row

How to set up a program that introduces a square matrix of numbers from the fourth line? The program should be replaced first positive element in each row 1 and outputting the resulting matrix. Go somewhere and … Please help!

Best Answer

I’m not certain what you want. See if this works:
A=[1 2 3;4 5 6;7 8 9];
A(A(1,:)>0) = 1;
It tests the first column in every row, and if it is positive, replaces it with 1.
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