function bai3

n= input ('Nhap n:');

m= input ('Nhap m:');

for i=1:n

for j=1:m

A(i,j)=input(['Nhap phan tu o vi tri hang ',num2str(i),', cot',num2str(j),'cua mang A:']);

B(i,j)=input(['Nhap phan tu o vi tri hang ',num2str(i),', cot',num2str(j),'cua mang B:']);

end

end

x=input('Hay chon hang tren mang A:');

y=input('Hay chon hang tren mang B:');

disp(A(x,:))

disp(B(y,:))

k1= intersect(A(x,:),B(y,:));

k2= setxor(A(x,:),B(y,:));

k3= union(A(x,:),B(y,:));

disp('Phan giao cua 2 hang la:')

disp(k1)

disp('Phan khac nhau cua 2 hang la:')

disp(k2)

disp('Phan hop cua 2 hang la:')

disp(k3)