>> A=[1 2 3];B=[4 5 6];>> C=A+B;D=A-B;E=A.*B;F=A./B;G=A.^B;>> stem(A)>> hold on>> stem(B,'r')>> stem(C,'g')>> stem(D,'b')>> stem(E,'k')>> stem(F,'r')>> stem(G,'r')>> hold off
