pymodelfit.core.offset_model¶

pymodelfit.core.offset_model(model, offsetparname='C', offsetval=0)[source]¶

A convinience to generate a CompositeModel with an additive offset on the wrapped model (e.g. $m(x)+C$ ).

Parameters:	model (`FunctionModel` object or string) – the model to wrap (or a name of a model that will be created) offsetparname (string) – name for the parameter controlling the additive offset value offsetval (float) – The initial value for the offset parameter.
Returns:	a `CompositeModel` (or subclass) object