diary on
hold off
sys=tf([1],[1 0])
 
Transfer function:
1
-
s
 
step(sys)
sys=tf([1],[1 1])
 
Transfer function:
  1
-----
s + 1
 
hold on
step(sys)
sys=tf([1],[1 .1])
 
Transfer function:
   1
-------
s + 0.1
 
step(sys)
sys=tf([1],[1 .01])
 
Transfer function:
   1
--------
s + 0.01
 
step(sys)
sys=tf([1],[1 .001])
 
Transfer function:
    1
---------
s + 0.001
 
step(sys)
axis([0 100 0 100])
diary off