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 specral subtraction

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T O P I C    R E V I E W
jeb137 Posted - 04/30/2025 : 9:10:05 PM
origin pro 2025
win11
I have an experimental spectra with a nonlinear x axis due to uniques detector calibration and a synthetic spectra with a linear x axis. I would like to subtract one from another, is this possible in origin?
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snowli Posted - 05/01/2025 : 08:30:08 AM
Yes, we have Simple Curve Math
https://www.originlab.com/doc/Origin-Help/Math-SimpleColumnCurveMath


There is also baseline subtraction in Peak Analyzer
https://www.originlab.com/doc/Tutorials/Create-Subtract-Baseline
On Baseline mode page, choose "Use Existing Dataset"

Thanks, Snow

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