A = [2 3 2 5 6 7 2;
     1 2 5 4 5 6 7;
     7 5 3 9 8 1 2];

B = mat2cell(A, ones(size(A,1),1));
B = cellfun(@(x) unique(x,'stable'), B, 'uniformoutput', false);

A = [2 3 2 5 6 7 2;
     1 2 5 4 5 6 7;
     7 5 3 9 8 1 2];

B{1} =
     2     3     5     6     7
B{2} =
     1     2     5     4     6     7
B{3} =
     7     5     3     9     8     1     2