finding non-zero entries of a matrix

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Deepa Maheshvare
Deepa Maheshvare on 18 Feb 2021
Commented: dpb on 18 Feb 2021
Hi All,
I've 2 matrices, A and B.
A = [1 0 2; 3 4 5; 0 0 0];
B = [0 0 0; 1 0 0; 1 1 1];
I want to generate a matrix C which assigns 1 to non-zero entries in both A and B.
C = [1 0 1; 1 1 1; 1 1 1]
For just A , I could do
C = zeros(3)
C(find(A~=0)) = 1
I'd like to ask for suggestion on how to assign 1 for all non-zero entries in both A and B.

Accepted Answer

dpb
dpb on 18 Feb 2021
C=A|B;
  2 Comments
dpb
dpb on 18 Feb 2021
+1
Had just come back to add, Matt... :)

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