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 User defined function not showing in Origin		  New Topic  Reply to Topic
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sam132

India
39 Posts
Posted - 03/27/2025 :  11:07:45 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 2018
Operating System: Win 11

Hi even though I have fit function files (the one with extension fdf) in my user files folder (C:\Users\Lenovo\Documents\OriginLab\User Files), still the origin is not showing this function while non-linear fit under the user defined function.

How can import all the fdf fit function all at one go in the origin.? Thanks.

NicholasSupport

USA
87 Posts
Posted - 03/27/2025 :  1:52:01 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Sam,

Please drag and drop the .fdf files in Windows Explorer into Origin workspace to install them. It will put the files into the "fitfunc" folder in your UFF. Then they will appear in the NLFit categories properly.

Let me know if this solves your issue.

Best,

Nicholas G.
nicholas@originlab.com
OriginLab Technical Support Team
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sam132

India
39 Posts
Posted - 03/27/2025 :  10:24:58 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi, I noticed a typo in my previous question. The files are actually located in the fitfunc folder: "C:\Users\Lenovo\Documents\OriginLab\User Files\fitfunc" . However, they still do not appear in my Origin application. I can import them individually, but they are not loading together as expected.
Could someone help me resolve this issue? Thank you!
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