MATLAB: How to separate matrix row

matrixix

let's say
A = [ 1 2; 1 2; 1 2]
A =
     1     2
     1     2
     1     2
Any command that can I separate it into turn into
 B =
     1     2
     1     2
     1     2
 C = 
     0   2
     0   2
     0   2
Thanks!!
————– I try to do it like this, but doesn't work
 B = A(:,1)
B =
     1
     1
     1

Best Answer

use
A =[1     2
     1     2
     1     2]
 A(:,1)=0;
 B=A
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