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 Curve fit plus polynomial baseline fitting

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hootchi Posted - 03/15/2011 : 08:06:34 AM
Origin Ver. and Service Release (Select Help-->About Origin): 6.0
Operating System: Windows XP

Dear all,

Is it possible to fit multiple curves to a data set while floating a polynomial baseline?

Thanks for any help.
2   L A T E S T    R E P L I E S    (Newest First)
hootchi Posted - 04/05/2011 : 11:07:23 AM
Thanks for the help. Sorry for the delay, I forgot I asked!
easwar Posted - 03/16/2011 : 2:03:06 PM
Hi,

I presume you mean fit multiple peaks along with a polynomial baseline? That is possible with the Peak Analyzer tool in version 8.x where one can vary both baseline and peak parameters in the final fit, or first subtract baseline and then fit the peaks.

See this video tutorial:
http://originlab.com/index.aspx?go=Products/Origin/DataAnalysis/PeakAnalysis/PF&pid=1547

Easwar
OriginLab

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