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 NLSF category not found for model
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EnriqueFA44

Mexico
1 Posts

Posted - 10/03/2023 :  8:10:19 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello everyone. Maybe someone could help me.
I'm trying to perform a non-linear fit of x,y data.
With the graph active, I go to Analysis => Fitting => Nonlinear curve fit =>Open Dialog

When the dialog window opens, the categories of the equations do not appear.
Also, when I try to add an equation in .FDF format I get an error message:
NLSF category not found for ....model

The problem is that the equations category is not activated.

I use Origin Pro 2023b, 64 bit SR1, Academic.

YimingChen

1592 Posts

Posted - 10/04/2023 :  08:28:22 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Can you go to the User Files Folder, delete the NLSF.ini file (make a backup if needed) and restart Origin? See if it helps.

James
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