# FittableModel¶

class astropy.modeling.FittableModel(*args, **kwargs)[source] [edit on github]

Base class for models that can be fitted using the built-in fitting algorithms.

Attributes Summary

 col_fit_deriv fit_deriv Function (similar to the model’s evaluate) to compute the derivatives of the model with respect to its parameters, for use by fitting algorithms. fittable linear

Attributes Documentation

col_fit_deriv = True
fit_deriv = None

Function (similar to the model’s evaluate) to compute the derivatives of the model with respect to its parameters, for use by fitting algorithms. In other words, this computes the Jacobian matrix with respect to the model’s parameters.

fittable = True
linear = False