How to replace duplicate element to 0 in matrix for every rows

I need to replace the repeated elements in column of a matrix as 0's, If my matrix is like this means.

Input =

1 1 1 2 2 2 3 3 4 4 5 5 5 
1 2 2 3 3 3 4 4 4 5 5 6 6
1 1 1 1 2 2 3 4 5 5 5 6 6

My expected output should be like this

Output =

1 0 0 2 0 0 3 0 4 0 5 0 0 
1 2 0 3 0 0 4 0 0 5 0 6 0
1 0 0 0 2 0 3 4 5 0 0 6 0

Answer 1

[KSSV]

A = [1 1 1 2 2 2 3 3 4 4 5 5 5 
1 2 2 3 3 3 4 4 4 5 5 6 6
1 1 1 1 2 2 3 4 5 5 5 6 6] ;

B = zeros(size(A)) ;
for i = 1:size(A,1)
    [c,ia,ib] = unique(A(i,:)) ; 
    B(i,ia) = c ; 
end
B

B = 3×13

1 0 0 2 0 0 3 0 4 0 5 0 0 1 2 0 3 0 0 4 0 0 5 0 6 0 1 0 0 0 2 0 3 4 5 0 0 6 0