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hmk13

nyc,ny,usa
1 Posts
Posted - 09/28/1998 :  7:29:00 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
SOS!

If anyone knows please help me:

Question: How to do multiple peaks(same peak function) fitting with user defined equation? How to change the replica peak number with user defined functon, say simple gaussian with sloped baseline.

Thanks! => !!??

greg

USA
1379 Posts
Posted - 09/29/1998 :  3:51:00 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
You can not use the Multiple Peaks option with user-defined functions. While it might be possible to define a function in such a way that it represented the sum of peak functions, it would not be very flexible (you would need n such functions to handle n peaks) and would be greatly complicated by any baseline requirements.

Note: You did not mention which version of Origin you have. I assume you do not have the Peak Fitting Module - PFM - which does support user-defined multiple peaks within one dataset.
See Microcal Software Products. There is a link to the PFM there.

[This message has been edited by Greg (edited 09-29-98).]

[This message has been edited by rtoomey (edited 08-10-99).]
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