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Nonlinear Fit Series Function

The Nonlinear Fit series function is used to fit the data in the source series to a model function. A Levenberg-Marquardt optimizer is used to optimize the fitting parameters. This series function takes a single source series.

The model function may take one independent variable but any number of fitting parameters. The user may choose one of the pre-defined model functions (i.e. the Exponential, Polynomial, multi-peak Gaussian, multi-peak Lorentzian, or multi-peak Voigt function) or define his/her own function on the Nonlinear Fit tab-page of the Series Function dialog box.

 

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