2.1.11 addtool_sigmoidal_fit

1 Menu Information
2 Brief Information
3 Additional Information
4 X-Function Execution Options
5 Variables
6 Description
7 Related X-Functions

Menu Information

Gadgets: Quick Sigmoidal Fit

Brief Information

Perform sigmoidal curve fitting on data plot within a region of interest

Additional Information

Minimum Origin Version Required: 8.6 SR0

X-Function Execution Options

Please refer to the page for additional option switches when accessing the x-function from script

Variables

Display Name	Variable Name	I/O and Type	Default Value	Description
Fit Mode	mode	Input int	1	Specify the fitting mode, polynomial fit or nonlinear curve fit. 0=Polynomial Fit 1=Nonlinear Curve Fit
Function	func	Input string	<unassigned>	Specify the fitting function.
ROI Box	trroi	Input TreeNode	<unassigned>	Specify the ROI settings. The fitting will be performed within the ROI box.
Label Box	trtable	Input TreeNode	<unassigned>	Specify the settings of the result text box content that is pasted on the source graph.
Report	trreport	Input TreeNode	<unassigned>	Specify the output destinations of the fitting results.
Fit Curve	trcurve	Input TreeNode	<unassigned>	Specify the fitted curve settings.
Parameters	trparam	Input TreeNode	<unassigned>	Specify the initial values for the parameters
Fit Control	trfitctrl	Input TreeNode	<unassigned>	Specify the weighting method for the fitting.

Description

This function is used to add a rectangle onto the plot to perform sigmoidal curve fitting. The fitted curve displays on the graph, which will be updated automatically while you move the rectangle box. By clicking on the triangle button on the right side of the rectangle box, you can change the fitting function, output fitting results to a destination worksheet, and customize the ROI (range of interesting) box. For more details about perform quick fitting on a plot, please refer to Quick Sigmoidal Fit Gadget in our User Guide.