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 λh equation (Buchowski)		  New Topic  Reply to Topic
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mery.george

USA
2 Posts
Posted - 11/28/2017 :  1:34:14 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin 2018 on Windows 10

Hi,

Does anyone has an idea how to fit the λh equation (Buchowski) (see image) to my experimental data? The independent variable is T, the dependent variable is x1, and the Parameters are λ and h, Tm is a constant (melting point).

Do I have to derive the equation for x1 first or how do I conduct the curve fitting?

Thank you for your help.



Mery Vet George

Echo_Chu

China
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Posted - 11/29/2017 :  01:59:23 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Yes, please derive the equation for x1 first. and then you can define the user-defined fitting function with the equation.

Please look at the tutorial for instruction of defining user-define fitting functions.

https://www.originlab.com/doc/Tutorials/UserDef-FitFunc

Echo
OriginLab Technical Service
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