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Drbobshepherd

USA
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Posted - 05/07/2018 :  2:50:37 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Is the Peak Fit Module iteration limit 10?

Is there a way to increase it? I have seen examples in literature where 100 was required to achieve the desired tolerance.

DrBob

snowli

USA
1386 Posts
Posted - 05/07/2018 :  3:23:46 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Which version of Origin are you using since we don't support PFM Module anymore.

In our built-in Analysis: Peaks and Baseline: Peak Analyzer dialog, if you choose Goal to be Fit Peaks and then go to last page.
Click Fit Control button.
Another dialog opens.
There is Max. Number of Iterations control on Fit Control tab.

Thanks, Snow
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Drbobshepherd

USA
Posts
Posted - 05/07/2018 :  5:24:50 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Changed jobs, so I do not have a current version. Thinking about buying new.

So what is the current limit?

DrBob
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Drbobshepherd

USA
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Posted - 05/09/2018 :  1:24:12 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
I understand PFM is no longer supported. But my question about peak fitting is still unanswered. What is the limit of iterations that the user can set in the current Peak Analyzer? Is it still 10? Higher? Limited only by available computer memory? or unsigned 64-bit limit? Please respond.

DrBob
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Castiel

343 Posts
Posted - 05/09/2018 :  9:57:12 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
quote:
Originally posted by Drbobshepherd

I understand PFM is no longer supported. But my question about peak fitting is still unanswered. What is the limit of iterations that the user can set in the current Peak Analyzer? Is it still 10? Higher? Limited only by available computer memory? or unsigned 64-bit limit? Please respond.

DrBob


https://www.originlab.com/doc/Origin-Help/PeakAnalyzer-FitPara-Dialog#The_Fit_Control_tab

The max. number of iterations is 200 by default. But it can be customized as a 32-bit integer, which suggests that it can be as large as 2,147,483,647.


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