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

[Samuel Gougeon]

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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