Start a nonlinear curve fitting session for XYZ data
X-Function not designed for Auto GetN Dialog. This feature is for OriginPro only.
This feature is updated in 8.0 SR5. For more details, please refer to Release Notes.
nlbeginz iz:=3 func:=gauss2D;
Please refer to the page for additional option switches when accessing the x-function from script
Input
XYZRange
string
Input/Output
TreeNode
int
Option list:
Start a nonlinear surface fitting session from XYZ data. You can also customize the fitting settings with it.
//Prepare the data string fname$=system.path.program$ + "Samples\Matrix Conversion and Gridding\XYZ Random Gaussian.dat"; newbook; impasc; // import the data nlbeginz 3 Gauss2D tt; // fit the XYZ data with 2D Gaussian function nlfit; nlend 1 2; // Show the fitted parameters in a dialog.
nlfit, nlend, nlgui, nlpara, nlfn, nlbegin, nlbeginr, nlbeginm
Keywords:regression, NLFit