astropy:docs

JointFitter

class astropy.modeling.fitting.JointFitter(models, jointparameters, initvals)[source] [edit on github]

Bases: object

Fit models which share a parameter.

For example, fit two gaussians to two data sets but keep the FWHM the same.

Parameters :

models : list

a list of model instances

jointparameters : list

a list of joint parameters

initvals : list

a list of initial values

Methods Summary

errorfunc(fps, *args) fps : list

Methods Documentation

errorfunc(fps, *args)[source] [edit on github]
fps : list
the fitted parameters - result of an one iteration of the fitting algorithm
args : dict
tuple of measured and input coordinates args is always passed as a tuple from optimize.leastsq

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