2.12.3 nlfitpeaks

Menu Information

Analysis: Peaks and Baseline: Multiple Peak Fit

Brief Information

Fit peaks by specifying centers and customizing peak parameters

Additional Information

Minimum Origin Version Required: Origin 8.5.1

Command Line Usage

1. nlfitpeaks func:=Voigt useqp:=0;

2. nlfitpeaks iy:=col(b) func:=Guass;

Variables

Display
Name
Variable
Name
I/O
and
Type
Default
Value
Description
Input iy

Input

XYRange

<active>
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

1
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.

Description

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.

Related X-Functions

fitpeaks, blauto, pa, pkFind, PaMultiY


Keywords:spectrum, curve fitting