[Scilab-users] System Identification for First order delay and dead time

[Fukashiimo]

Yes. I have data of y and u. s is the Laplaceoperator, no data is available. for s.

"Samuel GOUGEON [via Scilab / Xcos - Mailing Lists Archives]" <ml-node+s994242n4034617h3 at n3.nabble.com>: 

>Le 25/09/2016 01:02, Fukashiimo a écrit :
>
>Thank you for your advice. y and u have some correration. X in your equation is the Laplace operator, In this case, how I can use datafit?
>
>.
>AFAIK, there is no way in Scilab to perform a formal fit.
>This is why i asked about known values of u, s or both.
>>Object function: Min ( (y-ymodel)^2) So you need to know/have some y = y_actual(s,u) values for given s and u pairs.
>Which are the known data?
>Do you have a y_actual surface known for a (s,u) fixed mesh?
>
>
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