State-space to zero-pole conversion.

i want to make state space to pole-zero like this code

but its seem error, i don't know what does the error mean, please help :(

[Shah Fahad]

For MIMO system you need to specify the inputs i.e. IU.

Try the same code for a SISO system and it will be fine.

Search help ss2zpk

Answer 1

[José-Luis]

I can't help you with the particulars of the application because I know nothing about this topic. However, what I can say is: ss2zp requires five input arguments and you are only passing it four.

Please read the documentation:

 doc ss2zp