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 Linear fit function help?		  New Topic  Reply to Topic
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Evrim Umut

Turkey
3 Posts
Posted - 02/01/2011 :  11:36:34 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello everybody,

I am using Origin v8. Normally I work with built-in fit functions (exponential etc.)but this time I need to fit my data with function

y=A1 + A2/x-A3

but I don't know writing Origin C code. Please can anyone give a sample code for this function. And where I should copy-paste this code exactly.

easwar

USA
1965 Posts
Posted - 02/01/2011 :  11:41:55 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

You can watch this video:
http://originlab.com/index.aspx?go=Products/Origin/DataAnalysis/CurveFitting/FittingFunctions&pid=1172

or this tutorial:
http://wiki.originlab.com/~originla/howto/index.php?title=Tutorial:User_Defined_Fitting_Function_using_OC

The latest version 8.5 also has a Fitting Function Builder that guides you thru the process of creating your user-defined function. You can try our demo to test this functionality. Your function is simple so does not need to be Origin C based, it can be set to Expression or Equation.

Easwar
OriginLab
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Evrim Umut

Turkey
3 Posts
Posted - 02/01/2011 :  12:23:03 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thank you very much.
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