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 Fit did not convert reason-unknow		  New Topic  Reply to Topic
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morad85

Jordan
6 Posts
Posted - 11/09/2017 :  08:17:05 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin):
Operating System:

Dear all,
I hope you all are doing well.
I have a problem with fitting; I have defined a fitting function and thing goes well until I have tried to fit some experimental data, the fit did not converge as shown in the attached photo.
Please, note that T and Tc are constants, beta and gamma are the parameters, H is the independent variable, and M is the dependent variable.

Any idea, please?
Best regards,





<font color="purple">Morad</font id="purple">
Edited by - morad85 on 11/09/2017 08:23:57 AM

JacquelineHe

287 Posts
Posted - 11/10/2017 :  04:35:53 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

I am afraid I am not sure what leads the issue.
Maybe the initialize value of parameters are not suitable for your dataset.
You can try to modify them.

I suggest you can send you project and the FDF file (Fitting Function file) that is saved in "User File Folder" by default. You can check the folder path from System Path Tab in Options dialog. (Tools: Options)
Then we can try to reproduce the question and to figure out what went wrong?

Tech Support department email: tech@originlab.com
Plesae note: please send us with your detailed version and Serial Number information? You can check it by selecting "Help: About Origin" in the menu.

Thanks
Jacqueline
OriginLab
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