Putting 1 around the matrix
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Hi I have a 3X3 matrix and want to put 1 around the matrix as it will become 4X4 matrix.....
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Andrei Bobrov
2016-9-23
Let A - your matrix [3 x 3]:
A = magic(3);
out = ones(2 + size(A));
out(2:end-1,2:end-1) = A;
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