How can I get polynomials for MIMO case using iv4?

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Marco Duarte
Marco Duarte il 19 Ott 2012
Hi.
I'm trying to get the polynomials A(q) and B(a)for an ARX model, in the MIMO case. Matlab function "arx" works only for SISO case, so I'm trying with "iv4". When I have y=y1 and u=[u1 u2] it works, but for y=[y1 y2] and u=[u1 u2] I didn't get success. Can anybody help me with this function or inform another one?
Thanks.

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Rajiv Singh
Rajiv Singh il 5 Dic 2012
ARX does work for MIMO case. So does IV4. Can you post an example?

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