Curve Fitting: Origin 8.6: Nonlinear Curve Fit Tool

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This tutorial will demonstrate how to fit with a built-in fitting function, how to change NLFit settings using Recalcuate and how to define and fit with a user-defined function.

#curvefitting #regression #datavisualization #originpro
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Комментарии
Автор

how we can do fitting, if there are two independent variables in our equation, as we have in case of watts expression to extract neutron Origin 2019 b

kajaljaglan
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please help can u tell me how to find the value of x for  specified value of y for a smooth non linear curve

gp
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How can i fix this error? I get this error everytime i try.
Which parameters? how can i simplifying the function?
Do I need to make any parameter in the function 1?

The error is:
-203
Fit did not converge, because mutual dependency exists between parameters.



The model is over-parameterized, so the fitter cannot find a fixed parameter value. Try simplifying the function, or fixing several parameter values.

alienessadak
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Hello, and thx for this great video please how can we enter a new function having this form ( x1= fct (x0) ) knowing that we give a first value of ( x0) to find x1 and so on
( xn = fct(xn-1) ), and i have to fit with it, thank you again :)

meriembouhbou