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 Fitting with 2-variables in Origin		  New Topic  Reply to Topic
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rbaior

USA
Posts
Posted - 04/03/2004 :  04:29:09 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi,

I am a novice to origin. How do you perform non-linear curve fitting to 2 or more variables. It seems that the existing functions used to non-linear curve fitting ONLY assume ONE independent variable.

Thanks,

Rob

easwar

USA
1965 Posts
Posted - 04/03/2004 :  08:08:04 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Rob,

Please take a look at this knowledge base item:
http://www.originlab.com/index.aspx?s=9&pid=434

If you have more questions, please post again.

Easwar
OriginLab
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Mike

USA
357 Posts
Posted - 04/06/2004 :  11:25:08 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Rob, there is also a tutorial in the Origin Help file -- Defining Your Own Function of Two Variables in the Advanced Mode (of the Nonlinear Least Squares Fitter, or NLSF). To find the tutorial, search for the Topic "Some General Notes on the Advanced Mode of the Nonlinear Least Squares Curve Fitter" in the Origin Help file (Help:Origin).

Mike Genthner
OriginLab

Edited by - Mike on 04/06/2004 11:57:34 AM
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