NonLinearLSQFitter

class astropy.modeling.fitting.NonLinearLSQFitter

Bases: astropy.modeling.fitting.Fitter

A class performing non-linear least squares fitting using the Levenberg-Marquardt algorithm implemented in scipy.optimize.leastsq.

Parameters:

model : a fittable ParametricModel

model to fit to data

Raises:

ModelLinearityError :

A linear model is passed to a nonlinear fitter

Attributes Summary

supported_constraints

list() -> new empty list

Methods Summary

errorfunc(fps, *args)

Attributes Documentation

supported_constraints = ['fixed', 'tied', 'bounds']

Methods Documentation

errorfunc(fps, *args)