Poles1 = tf(1,[1 1]);

Poles2 =tf(1,[1 2])*2;

Poles3 = tf(1,[1 3])*3;

Poles4 =tf(1,[1 4])*4;

Poles5 = tf(1,[1 5])*5;

%Po = tf(1,[1 0]);

step(Poles1,Poles2,Poles3,Poles4,Poles5)

legend('s = -1','s = -2','s = -3','s = -4','s = -5') 
%step(Po,Poles1,Poles2,Poles3,Poles4,Poles5)

%legend('Original System G(s)','s = -1','s = -2','s = -3','s = -4','s = -5')