Analysis: Peaks and Baseline: Multiple Peak Fit
Fit peaks by specifying centers and customizing peak parameters
Minimum Origin Version Required: Origin 8.5.1
1. nlfitpeaks func:=Voigt useqp:=0;
2. nlfitpeaks iy:=col(b) func:=Guass;
Please refer to the page for additional option switches when accessing the x-function from script
| Display Name |
Variable Name |
I/O and Type |
Default Value |
Description |
|---|---|---|---|---|
| Input | iy |
Input XYRange |
|
Specify the input data for performing the fit. If the tool is launched from a graph window, the active data plot is used when no input data is specified. |
| Peak Function | func |
Input string |
|
Specify the fitting function. |
| Use Peak Marker | useqp |
Input int |
|
This check-box is displayed when the Quick Peaks gadget has been used to tag peaks in the graph. Leaving the check-box checked will result in the peak markers being used as peak centers, with no further need to click and select peak centers again on the graph. |
This X-Function provides an interactive and easy way to pick multiple peaks in a graph and then fit them with a peak function.
For more information about how to use this X-Function, please refer to this page in our User Guide.
fitpeaks, blauto, pa, pkFind, PaMultiY
Keywords:spectrum, curve fitting