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 Debye model for heat capacity
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Krishnanmaha

India
1 Posts

Posted - 09/01/2020 :  4:19:54 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
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Hi guys,
I need to fit Debye model for heat capacity data. Here is the equation:
C(T) = 9*R*(T/θ)^3∫0 to(θ/T)(x^4 *e^x)/(e^x-1)^2 dx.
input data is T & C, i need to extract θ form curve fitting, please let me know how to do it.
Your help or suggestions are highly appreciated.

Note: I have read NAG tutorial which is not helping me.
the equation link: https://faculty.csbsju.edu/frioux/q-intro/DEBYE.pdf

YimingChen

1687 Posts

Posted - 09/01/2020 :  4:45:10 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Please check this tutorial on fitting integration.
https://www.originlab.com/doc/Tutorials/Fitting-Integral-LabTalk

James

Edited by - YimingChen on 09/01/2020 4:45:18 PM
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