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 Local minima and maxima

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T O P I C    R E V I E W
twhansen Posted - 07/18/2011 : 07:37:00 AM
Origin Ver. and Service Release (Select Help-->About Origin): 8.5.1 SR2
Operating System:Win7-64

Hi.

I am trying to find local minima and maxima on a dataset. The dataset is oscillating and decaying. Any good ideas?

Thanks.

Thomas
3   L A T E S T    R E P L I E S    (Newest First)
Hideo Fujii Posted - 07/20/2011 : 3:21:26 PM
Hi Thomas,

Maybe you haven't tried the "Negative" Direction of the peaks (in the Peak Finding Settings option branch) in the "Find Peaks" stage of Peak Analyzer. Can you try?

--Hideo Fujii
OriginLab
twhansen Posted - 07/20/2011 : 08:34:29 AM
Thanks. That helped. Now I get the maxima, but not the minima. Any ideas?

Thanks fr the assistance.

Thomas
couturier Posted - 07/18/2011 : 12:34:43 PM
The peak analyser will find your local min and max.
You can try different methods and choose the one which best fits your needs.

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