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 User defined fit function to python code

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kosmosisy Posted - 03/27/2023 : 06:08:26 AM
Origin Ver. and Service Release (Select Help-->About Origin): 2023
Operating System: Win10

Hello, is it possible to build a python code from a user defined nonlinear labtalk expression with all the parameters e.g. constraints? I am asking this because I am not able re-produce the perfect fit quality and values I obtained in OriginLab compared to both python and MATLAB.

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YimingChen Posted - 03/27/2023 : 09:10:18 AM
There is no way to generate Python code for the LabTalk function. The discrepancy of the fitting result could be due to other reasons, such as the fitting converging to a local minimum.
https://www.originlab.com/doc/Origin-Help/The_Reason_Why_Fail_to_Converge#Relative_vs_absolute_minima

James

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