Fitiing experimental results

[Paul CARRICO]

All,

 

I'm looking for fitting (mechanical) experimental data .  what's the best
procedure :

-          Datafit procedure ?

-          Leastsq one ?

 

NOTA : the final purpose is :

-          to surround the parameters to fit (some of them have to be
strictly positive for example)

-          as well as I would like to implemented several tests in a single
fitting step (I mean several curve for a single constitutive equation)

 

Any advice ?

 

Regards

 

Paul

 

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