Re: test this in matlab for my please

[Nicholas Jankowski]

2016-03-11 12:28 GMT-05:00 Doug Stewart <address@hidden>:

Would someone kindly run this in matlab and post the results for me.

Thanks

s=tf('s')

sys=1/s

c2d(sys,.1,'zoh')

c2d(sys,.1,'matched')

c2d(sys,.1,'bilin')

sys=1/(s^2)

c2d(sys,.1,'zoh')

c2d(sys,.1,'matched')

c2d(sys,.1,'bilin')

sys=1/(s*(s+1))

c2d(sys,.1,'zoh')

c2d(sys,.1,'matched')

c2d(sys,.1,'bilin')

--

DAS

output below, v 2015b

s =
 
  s
 
Continuous-time transfer function.


sys =
 
  1
  -
  s
 
Continuous-time transfer function.


ans =
 
   0.1
  -----
  z - 1
 
Sample time: 0.1 seconds
Discrete-time transfer function.


ans =
 
  0.1001
  ------
  z - 1
 
Sample time: 0.1 seconds
Discrete-time transfer function.

Error using DynamicSystem/c2d (line 76)
The discretization method of the "c2d" command must be one of the following
strings: "zoh", "foh", "impulse", "tustin", or "matched".